coefficient of action effect

例句：

1. 1. The coefficient of action effect is a measure of how well an intervention works.
   作用系数效果是衡量一项干预措施效果的指标。
2. 2. The coefficient of action effect can be used to predict the impact of a policy on society.
   作用系数效果可以用来预测政策对社会的影响。
3. 3. The coefficient of action effect is often used in economics to analyze the effectiveness of different policies.
   作用系数效果在经济学中常被用来分析不同政策的有效性。