英语语法分析

BFGF has clear away effect and a definite anti-mutagenicity.

且清除效应提示显示出一定的抗诱变性。

Purpose: To study the mutagenicity of Cultured Calculus Bovis.

目的：对体外培育牛黄的诱变性进行研究。

Objective To investigate the mutagenicity of Q river surface water.

目的为了调查Q流域地面水致突变性。