drug efficacy

• 药效

drug efficacy的用法和样例：

例句

1. The efficacy of the medicine is satisfactory.
   这药的药效令人满意。
2. Field Efficacy of Prochloraz against Pyricutaria oryzae Cav.
   咪鲜胺防治水稻穗颈瘟田间药效试验。