IHANBNC²³⁶²¹³⁺¹ 基本例句 n.国际保健意识网¹⁰⁰ Under unfavourable condition such as caused by high original frequency of resistance gene, low dilution action, etc. the rational mixture strategy is obviously better ihan the other two methods. 在条件不利抗性基因初始频率高,稀释作用小等时,合理混用的方法明显优于其他两种方法。 cnki