Global Lock-In Amplifiers Industry Market Research Report
Global Lock-In Amplifiers Industry Market Research Report
1 Lock-In Amplifiers Introduction and Market Overview
- 1.1 Objectives of the Study
- 1.2 Definition of Lock-In Amplifiers
- 1.3 Lock-In Amplifiers Market Scope and Market Size Estimation
- 1.3.1 Market Concentration Ratio and Market Maturity Analysis
- 1.3.2 Global Lock-In Amplifiers Value ($) and Growth Rate from 2017-2027
- 1.4 Market Segmentation
- 1.4.1 Types of Lock-In Amplifiers
- 1.4.2 Applications of Lock-In Amplifiers
- 1.4.3 Research Regions
- 1.4.3.1 North America Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
- 1.4.3.2 Europe Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
- 1.4.3.3 China Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
- 1.4.3.4 Japan Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
- 1.4.3.5 Middle East & Africa Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
- 1.4.3.6 India Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
- 1.4.3.7 South America Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
- 1.5 Market Dynamics
- 1.5.1 Drivers
- 1.5.1.1 Emerging Countries of Lock-In Amplifiers
- 1.5.1.2 Growing Market of Lock-In Amplifiers
- 1.5.2 Limitations
- 1.5.3 Opportunities
- 1.5.1 Drivers
- 1.6 Industry News and Policies by Regions
- 1.6.1 Industry News
- 1.6.2 Industry Policies
2 Industry Chain Analysis
- 2.1 Upstream Raw Material Suppliers of Lock-In Amplifiers Analysis
- 2.2 Major Players of Lock-In Amplifiers
- 2.2.1 Major Players Manufacturing Base and Market Share of Lock-In Amplifiers in 2021
- 2.2.2 Major Players Product Types in 2021
- 2.3 Lock-In Amplifiers Manufacturing Cost Structure Analysis
- 2.3.1 Production Process Analysis
- 2.3.2 Manufacturing Cost Structure of Lock-In Amplifiers
- 2.3.3 Raw Material Cost of Lock-In Amplifiers
- 2.3.4 Labor Cost of Lock-In Amplifiers
- 2.4 Market Channel Analysis of Lock-In Amplifiers
- 2.5 Major Downstream Buyers of Lock-In Amplifiers Analysis
3 Global Lock-In Amplifiers Market, by Type
- 3.1 Global Lock-In Amplifiers Value ($) and Market Share by Type (2017-2022)
- 3.2 Global Lock-In Amplifiers Production and Market Share by Type (2017-2022)
- 3.3 Global Lock-In Amplifiers Value ($) and Growth Rate by Type (2017-2022)
- 3.4 Global Lock-In Amplifiers Price Analysis by Type (2017-2022)
4 Lock-In Amplifiers Market, by Application
- 4.1 Global Lock-In Amplifiers Consumption and Market Share by Application (2017-2022)
- 4.2 Downstream Buyers by Application
- 4.3 Global Lock-In Amplifiers Consumption and Growth Rate by Application (2017-2022)
5 Global Lock-In Amplifiers Production, Value ($) by Region (2017-2022)
- 5.1 Global Lock-In Amplifiers Value ($) and Market Share by Region (2017-2022)
- 5.2 Global Lock-In Amplifiers Production and Market Share by Region (2017-2022)
- 5.3 Global Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
- 5.4 North America Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
- 5.5 Europe Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
- 5.6 China Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
- 5.7 Japan Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
- 5.8 Middle East & Africa Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
- 5.9 India Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
- 5.10 South America Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
6 Global Lock-In Amplifiers Production, Consumption, Export, Import by Regions (2017-2022)
- 6.1 Global Lock-In Amplifiers Consumption by Regions (2017-2022)
- 6.2 North America Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
- 6.3 Europe Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
- 6.4 China Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
- 6.5 Japan Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
- 6.6 Middle East & Africa Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
- 6.7 India Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
- 6.8 South America Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
7 Global Lock-In Amplifiers Market Status and SWOT Analysis by Regions
- 7.1 North America Lock-In Amplifiers Market Status and SWOT Analysis
- 7.2 Europe Lock-In Amplifiers Market Status and SWOT Analysis
- 7.3 China Lock-In Amplifiers Market Status and SWOT Analysis
- 7.4 Japan Lock-In Amplifiers Market Status and SWOT Analysis
- 7.5 Middle East & Africa Lock-In Amplifiers Market Status and SWOT Analysis
- 7.6 India Lock-In Amplifiers Market Status and SWOT Analysis
- 7.7 South America Lock-In Amplifiers Market Status and SWOT Analysis
8 Competitive Landscape
- 8.1 Competitive Profile
- 8.2 Stanford Research Systems
- 8.2.1 Company Profiles
- 8.2.2 Lock-In Amplifiers Product Introduction
- 8.2.3 Stanford Research Systems Production, Value ($), Price, Gross Margin 2017-2022
- 8.2.4 Stanford Research Systems Market Share of Lock-In Amplifiers Segmented by Region in 2021
- 8.3 NF
- 8.3.1 Company Profiles
- 8.3.2 Lock-In Amplifiers Product Introduction
- 8.3.3 NF Production, Value ($), Price, Gross Margin 2017-2022
- 8.3.4 NF Market Share of Lock-In Amplifiers Segmented by Region in 2021
- 8.4 Zurich Instruments
- 8.4.1 Company Profiles
- 8.4.2 Lock-In Amplifiers Product Introduction
- 8.4.3 Zurich Instruments Production, Value ($), Price, Gross Margin 2017-2022
- 8.4.4 Zurich Instruments Market Share of Lock-In Amplifiers Segmented by Region in 2021
- 8.5 FEMTO
- 8.5.1 Company Profiles
- 8.5.2 Lock-In Amplifiers Product Introduction
- 8.5.3 FEMTO Production, Value ($), Price, Gross Margin 2017-2022
- 8.5.4 FEMTO Market Share of Lock-In Amplifiers Segmented by Region in 2021
- 8.6 AMETEK
- 8.6.1 Company Profiles
- 8.6.2 Lock-In Amplifiers Product Introduction
- 8.6.3 AMETEK Production, Value ($), Price, Gross Margin 2017-2022
- 8.6.4 AMETEK Market Share of Lock-In Amplifiers Segmented by Region in 2021
- 8.7 Anfatec Instruments
- 8.7.1 Company Profiles
- 8.7.2 Lock-In Amplifiers Product Introduction
- 8.7.3 Anfatec Instruments Production, Value ($), Price, Gross Margin 2017-2022
- 8.7.4 Anfatec Instruments Market Share of Lock-In Amplifiers Segmented by Region in 2021
9 Global Lock-In Amplifiers Market Analysis and Forecast by Type and Application
- 9.1 Global Lock-In Amplifiers Market Value ($) & Volume Forecast, by Type (2022-2027)
- 9.1.1 Wi-Fi Market Value ($) and Volume Forecast (2022-2027)
- 9.1.2 Ethernet Market Value ($) and Volume Forecast (2022-2027)
- 9.1.3 USB Market Value ($) and Volume Forecast (2022-2027)
- 9.2 Global Lock-In Amplifiers Market Value ($) & Volume Forecast, by Application (2022-2027)
- 9.2.1 Environmental Market Value ($) and Volume Forecast (2022-2027)
- 9.2.2 Industrial Market Value ($) and Volume Forecast (2022-2027)
- 9.2.3 Healthcare Monitoring Systems Market Value ($) and Volume Forecast (2022-2027)
10 Lock-In Amplifiers Market Analysis and Forecast by Region
- 10.1 North America Market Value ($) and Consumption Forecast (2022-2027)
- 10.2 Europe Market Value ($) and Consumption Forecast (2022-2027)
- 10.3 China Market Value ($) and Consumption Forecast (2022-2027)
- 10.4 Japan Market Value ($) and Consumption Forecast (2022-2027)
- 10.5 Middle East & Africa Market Value ($) and Consumption Forecast (2022-2027)
- 10.6 India Market Value ($) and Consumption Forecast (2022-2027)
- 10.7 South America Market Value ($) and Consumption Forecast (2022-2027)
11 New Project Feasibility Analysis
- 11.1 Industry Barriers and New Entrants SWOT Analysis
- 11.2 Analysis and Suggestions on New Project Investment
12 Research Finding and Conclusion
13 Appendix
- 13.1 Discussion Guide
- 13.2 Knowledge Store: Maia Subscription Portal
- 13.3 Research Data Source
- 13.4 Research Assumptions and Acronyms Used
List of Tables and Figures
Figure Product Picture of Lock-In Amplifiers
Table Product Specification of Lock-In Amplifiers
Figure Market Concentration Ratio and Market Maturity Analysis of Lock-In Amplifiers
Figure Global Lock-In Amplifiers Value ($) and Growth Rate from 2017-2027
Table Different Types of Lock-In Amplifiers
Figure Global Lock-In Amplifiers Value ($) Segment by Type from 2017-2022
Figure Wi-Fi Picture
Figure Ethernet Picture
Figure USB Picture
Table Different Applications of Lock-In Amplifiers
Figure Global Lock-In Amplifiers Value ($) Segment by Applications from 2017-2022
Figure Environmental Picture
Figure Industrial Picture
Figure Healthcare Monitoring Systems Picture
Table Research Regions of Lock-In Amplifiers
Figure North America Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
Figure Europe Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
Table China Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
Table Japan Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
Table Middle East & Africa Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
Table India Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
Table South America Lock-In Amplifiers Production Value ($) and Growth Rate (2017-2022)
Table Emerging Countries of Lock-In Amplifiers
Table Growing Market of Lock-In Amplifiers
Figure Industry Chain Analysis of Lock-In Amplifiers
Table Upstream Raw Material Suppliers of Lock-In Amplifiers with Contact Information
Table Major Players Manufacturing Base and Market Share ($) of Lock-In Amplifiers in 2021
Table Major Players Lock-In Amplifiers Product Types in 2021
Figure Production Process of Lock-In Amplifiers
Figure Manufacturing Cost Structure of Lock-In Amplifiers
Figure Channel Status of Lock-In Amplifiers
Table Major Distributors of Lock-In Amplifiers with Contact Information
Table Major Downstream Buyers of Lock-In Amplifiers with Contact Information
Table Global Lock-In Amplifiers Value ($) by Type (2017-2022)
Table Global Lock-In Amplifiers Value ($) Share by Type (2017-2022)
Figure Global Lock-In Amplifiers Value ($) Share by Type (2017-2022)
Table Global Lock-In Amplifiers Production by Type (2017-2022)
Table Global Lock-In Amplifiers Production Share by Type (2017-2022)
Figure Global Lock-In Amplifiers Production Share by Type (2017-2022)
Figure Global Lock-In Amplifiers Value ($) and Growth Rate of Wi-Fi
Figure Global Lock-In Amplifiers Value ($) and Growth Rate of Ethernet
Figure Global Lock-In Amplifiers Value ($) and Growth Rate of USB
Figure Global Lock-In Amplifiers Price by Type (2017-2022)
Table Global Lock-In Amplifiers Consumption by Application (2017-2022)
Table Global Lock-In Amplifiers Consumption Market Share by Application (2017-2022)
Figure Global Lock-In Amplifiers Consumption Market Share by Application (2017-2022)
Table Downstream Buyers Introduction by Application
Figure Global Lock-In Amplifiers Consumption and Growth Rate of Environmental (2017-2022)
Figure Global Lock-In Amplifiers Consumption and Growth Rate of Industrial (2017-2022)
Figure Global Lock-In Amplifiers Consumption and Growth Rate of Healthcare Monitoring Systems (2017-2022)
Table Global Lock-In Amplifiers Value ($) by Region (2017-2022)
Table Global Lock-In Amplifiers Value ($) Market Share by Region (2017-2022)
Figure Global Lock-In Amplifiers Value ($) Market Share by Region (2017-2022)
Table Global Lock-In Amplifiers Production by Region (2017-2022)
Table Global Lock-In Amplifiers Production Market Share by Region (2017-2022)
Figure Global Lock-In Amplifiers Production Market Share by Region (2017-2022)
Table Global Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
Table North America Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
Table Europe Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
Table China Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
Table Japan Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
Table Middle East & Africa Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
Table India Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
Table South America Lock-In Amplifiers Production, Value ($), Price and Gross Margin (2017-2022)
Table Global Lock-In Amplifiers Consumption by Regions (2017-2022)
Figure Global Lock-In Amplifiers Consumption Share by Regions (2017-2022)
Table North America Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
Table Europe Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
Table China Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
Table Japan Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
Table Middle East & Africa Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
Table India Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
Table South America Lock-In Amplifiers Production, Consumption, Export, Import (2017-2022)
Figure North America Lock-In Amplifiers Production and Growth Rate Analysis
Figure North America Lock-In Amplifiers Consumption and Growth Rate Analysis
Figure North America Lock-In Amplifiers SWOT Analysis
Figure Europe Lock-In Amplifiers Production and Growth Rate Analysis
Figure Europe Lock-In Amplifiers Consumption and Growth Rate Analysis
Figure Europe Lock-In Amplifiers SWOT Analysis
Figure China Lock-In Amplifiers Production and Growth Rate Analysis
Figure China Lock-In Amplifiers Consumption and Growth Rate Analysis
Figure China Lock-In Amplifiers SWOT Analysis
Figure Japan Lock-In Amplifiers Production and Growth Rate Analysis
Figure Japan Lock-In Amplifiers Consumption and Growth Rate Analysis
Figure Japan Lock-In Amplifiers SWOT Analysis
Figure Middle East & Africa Lock-In Amplifiers Production and Growth Rate Analysis
Figure Middle East & Africa Lock-In Amplifiers Consumption and Growth Rate Analysis
Figure Middle East & Africa Lock-In Amplifiers SWOT Analysis
Figure India Lock-In Amplifiers Production and Growth Rate Analysis
Figure India Lock-In Amplifiers Consumption and Growth Rate Analysis
Figure India Lock-In Amplifiers SWOT Analysis
Figure South America Lock-In Amplifiers Production and Growth Rate Analysis
Figure South America Lock-In Amplifiers Consumption and Growth Rate Analysis
Figure South America Lock-In Amplifiers SWOT Analysis
Figure Top 3 Market Share of Lock-In Amplifiers Companies
Figure Top 6 Market Share of Lock-In Amplifiers Companies
Table Mergers, Acquisitions and Expansion Analysis
Table Company Profiles
Table Product Introduction
Table Stanford Research Systems Production, Value ($), Price, Gross Margin 2017-2022
Figure Stanford Research Systems Production and Growth Rate
Figure Stanford Research Systems Value ($) Market Share 2017-2022
Figure Stanford Research Systems Market Share of Lock-In Amplifiers Segmented by Region in 2021
Table Company Profiles
Table Product Introduction
Table NF Production, Value ($), Price, Gross Margin 2017-2022
Figure NF Production and Growth Rate
Figure NF Value ($) Market Share 2017-2022
Figure NF Market Share of Lock-In Amplifiers Segmented by Region in 2021
Table Company Profiles
Table Product Introduction
Table Zurich Instruments Production, Value ($), Price, Gross Margin 2017-2022
Figure Zurich Instruments Production and Growth Rate
Figure Zurich Instruments Value ($) Market Share 2017-2022
Figure Zurich Instruments Market Share of Lock-In Amplifiers Segmented by Region in 2021
Table Company Profiles
Table Product Introduction
Table FEMTO Production, Value ($), Price, Gross Margin 2017-2022
Figure FEMTO Production and Growth Rate
Figure FEMTO Value ($) Market Share 2017-2022
Figure FEMTO Market Share of Lock-In Amplifiers Segmented by Region in 2021
Table Company Profiles
Table Product Introduction
Table AMETEK Production, Value ($), Price, Gross Margin 2017-2022
Figure AMETEK Production and Growth Rate
Figure AMETEK Value ($) Market Share 2017-2022
Figure AMETEK Market Share of Lock-In Amplifiers Segmented by Region in 2021
Table Company Profiles
Table Product Introduction
Table Anfatec Instruments Production, Value ($), Price, Gross Margin 2017-2022
Figure Anfatec Instruments Production and Growth Rate
Figure Anfatec Instruments Value ($) Market Share 2017-2022
Figure Anfatec Instruments Market Share of Lock-In Amplifiers Segmented by Region in 2021
Table Global Lock-In Amplifiers Market Value ($) Forecast, by Type
Table Global Lock-In Amplifiers Market Volume Forecast, by Type
Figure Global Lock-In Amplifiers Market Value ($) and Growth Rate Forecast of Wi-Fi (2022-2027)
Figure Global Lock-In Amplifiers Market Volume and Growth Rate Forecast of Wi-Fi (2022-2027)
Figure Global Lock-In Amplifiers Market Value ($) and Growth Rate Forecast of Ethernet (2022-2027)
Figure Global Lock-In Amplifiers Market Volume and Growth Rate Forecast of Ethernet (2022-2027)
Figure Global Lock-In Amplifiers Market Value ($) and Growth Rate Forecast of USB (2022-2027)
Figure Global Lock-In Amplifiers Market Volume and Growth Rate Forecast of USB (2022-2027)
Table Global Market Value ($) Forecast by Application (2022-2027)
Table Global Market Volume Forecast by Application (2022-2027)
Figure Global Lock-In Amplifiers Consumption and Growth Rate of Environmental (2017-2022)
Figure Global Lock-In Amplifiers Consumption and Growth Rate of Industrial (2017-2022)
Figure Global Lock-In Amplifiers Consumption and Growth Rate of Healthcare Monitoring Systems (2017-2022)
Figure Market Value ($) and Growth Rate Forecast of Healthcare Monitoring Systems (2022-2027)
Figure Market Volume and Growth Rate Forecast of Healthcare Monitoring Systems (2022-2027)
Figure North America Market Value ($) and Growth Rate Forecast (2022-2027)
Table North America Consumption and Growth Rate Forecast (2022-2027)
Figure Europe Market Value ($) and Growth Rate Forecast (2022-2027)
Table Europe Consumption and Growth Rate Forecast (2022-2027)
Figure China Market Value ($) and Growth Rate Forecast (2022-2027)
Table China Consumption and Growth Rate Forecast (2022-2027)
Figure Japan Market Value ($) and Growth Rate Forecast (2022-2027)
Table Japan Consumption and Growth Rate Forecast (2022-2027)
Figure Middle East & Africa Market Value ($) and Growth Rate Forecast (2022-2027)
Table Middle East & Africa Consumption and Growth Rate Forecast (2022-2027)
Figure India Market Value ($) and Growth Rate Forecast (2022-2027)
Table India Consumption and Growth Rate Forecast (2022-2027)
Figure South America Market Value ($) and Growth Rate Forecast (2022-2027)
Table South America Consumption and Growth Rate Forecast (2022-2027)
Figure Industry Resource/Technology/Labor Importance Analysis
Table New Entrants SWOT Analysis
Table New Project Analysis of Investment Recovery
The Lock-In Amplifiers market revenue was xx.xx Million USD in 2017, grew to xx.xx Million USD in 2021, and will reach xx.xx Million USD in 2027, with a CAGR of x.x% during 2022-2027. Based on the Lock-In Amplifiers industrial chain, this report mainly elaborates the definition, types, applications and major players of Lock-In Amplifiers market in details. Deep analysis about market status (2017-2022), enterprise competition pattern, advantages and disadvantages of enterprise products, industry development trends (2022-2027), regional industrial layout characteristics and macroeconomic policies, industrial policy has also be included. From raw materials to downstream buyers of this industry will be analyzed scientifically, the feature of product circulation and sales channel will be presented as well. In a word, this report will help you to establish a panorama of industrial development and characteristics of the Lock-In Amplifiers market.
The Lock-In Amplifiers market can be split based on product types, major applications, and important regions.
Major Players in Lock-In Amplifiers market are:
Stanford Research Systems
NF
Zurich Instruments
FEMTO
AMETEK
Anfatec Instruments
Major Regions that plays a vital role in Lock-In Amplifiers market are:
North America
Europe
China
Japan
Middle East & Africa
India
South America
Others
Most important types of Lock-In Amplifiers products covered in this report are:
Wi-Fi
Ethernet
USB
Most widely used downstream fields of Lock-In Amplifiers market covered in this report are:
Environmental
Industrial
Healthcare Monitoring Systems
There are 13 Chapters to thoroughly display the Lock-In Amplifiers market. This report included the analysis of market overview, market characteristics, industry chain, competition landscape, historical and future data by types, applications and regions.
Chapter 1: Lock-In Amplifiers Market Overview, Product Overview, Market Segmentation, Market Overview of Regions, Market Dynamics, Limitations, Opportunities and Industry News and Policies.
Chapter 2: Lock-In Amplifiers Industry Chain Analysis, Upstream Raw Material Suppliers, Major Players, Production Process Analysis, Cost Analysis, Market Channels and Major Downstream Buyers.
Chapter 3: Value Analysis, Production, Growth Rate and Price Analysis by Type of Lock-In Amplifiers.
Chapter 4: Downstream Characteristics, Consumption and Market Share by Application of Lock-In Amplifiers.
Chapter 5: Production Volume, Price, Gross Margin, and Revenue ($) of Lock-In Amplifiers by Regions (2017-2022).
Chapter 6: Lock-In Amplifiers Production, Consumption, Export and Import by Regions (2017-2022).
Chapter 7: Lock-In Amplifiers Market Status and SWOT Analysis by Regions.
Chapter 8: Competitive Landscape, Product Introduction, Company Profiles, Market Distribution Status by Players of Lock-In Amplifiers.
Chapter 9: Lock-In Amplifiers Market Analysis and Forecast by Type and Application (2022-2027).
Chapter 10: Market Analysis and Forecast by Regions (2022-2027).
Chapter 11: Industry Characteristics, Key Factors, New Entrants SWOT Analysis, Investment Feasibility Analysis.
Chapter 12: Market Conclusion of the Whole Report.
Chapter 13: Appendix Such as Methodology and Data Resources of This Research.