浅谈美国《化学文摘》(CA)的发展与变化

Talking about the Development and Variation of American CA (Chemical Abstracts)

介绍了CA的特点,论述了CA的结构体系,探讨了CA检索方式的发展与变化。

This paper introduces the characteristics of CA, expounds the structural system of CA, and probes into the development and variation of retrieval mode of CA.