area effect

例句：

1. 1.The study found a significant area effect on the productivity of farmers.
   研究发现对农民的生产力有显著的区域效应。
2. 2. The researcher analyzed the data to identify any area effects that could affect the outcome.
   研究者分析了数据，以识别可能影响结果的任何区域效应。
3. 3.This technology has the potential to reduce the area effect of soil erosion.
   这种技术有可能减少土壤侵蚀的面积效应。