This paper employs systematic abstract method, persisting in the unity of history and logic with possession of detailed information.

本文以系统抽象法为基本方法，坚持历史与逻辑的统一，详细占有资料。

youdao

This paper employs systematic abstract method, persisting in the unity of history and logic with possession of detailed information.

本文以系统抽象法为基本方法，坚持历史与逻辑的统一，详细占有资料。

youdao