effective fraction

• 有效部位

effective fraction的用法和样例：

例句

1. ObjectiveTo confirm the effective part of Rhizoma Cyperi on dysmenorrhea.
   目的确定香附治疗痛经的有效部位。
2. Objective To screen effective ingredients extracted from Smilax China L. and study its pharmacodynamic.
   摘要目的筛选出菝葜的有效部位，并进行药效学研究。