基本解释

• [生物学]直接作用因子

英汉例句

双语例句

• The dimension of nozzle is a vital parameter which is the direct acting factor to the self-priming time.
  其中喷嘴的结构及尺寸直接影响到泵的自吸时间。
• The indicator of economic development has not been taken as the direct acting factor in many kinds of present predicting methods for domestic water demand.
  在目前生活需水量多种预测方法中，往往回避将经济发展指标作为直接影响因素。

专业释义

生物学

• 直接作用因子