中间体衍生化方法方法
intermediate derivatization method
各种各样
a variety of
various sorts and varieties
various
omnifarious
4种方法提取液
four kinds of extraction solutions
电极成形的几种方法
Electrode- shaping methods
多种方法层位、构造解释
structure and horizon fine interpretation in various methods
家蚕育种方法
breeding method of mulberry silkworm