英语语法分析

Method: Studies of pharmacognosy.

方法：生药学研究。

Method: The character of pharmacognosy.

方法：生药性状鉴别。

In this paper, pattern recognition and its application in the field of pharmacognosy have been reviewed with 21 references.

本文对模式识别及其在生药学领域中的应用进行了综述，附参考文献21篇。