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How does wind inquire about R&D investment in recent three years?
the wind query method is as follows:

firstly, purchase the wind database, and after installing the wind to obtain the right to use it, enter the account and password according to the prompts given by the wind, which can be used.

Wind information finance terminal is a financial database information inquiry terminal integrating real-time market, data inquiry, data browsing, research and analysis, and news information. In order to facilitate the use of the above database, please follow the following steps to install.

step 1: download the installer and install it.

step 2: enter user name: xxxxxx and password: xxxxxxxx to log in.

Wind information financial database is the leading financial database in Chinese mainland. in the field of financial and financial data, it has built the most complete and accurate large-scale financial engineering and financial data warehouse with financial securities data as the core in China, covering stocks, funds, bonds, foreign exchange, insurance, futures, financial derivatives, spot trading, macroeconomics, financial news and other fields.