field-forcing relay

例句：

1. 1. The field forcing relay is an essential tool for farmers to improve soil fertility.
   田间强迫式接力是农民提高土壤肥力的重要工具。
2. 2. The forcing relay in the field is designed to quickly distribute water and nutrients to the plants.
   田间的强迫式接力装置设计用来快速将水和养分分配给植物。
3. 3. The farmer used this method to increase the yield of his crops, as it allowed himto control the timing of planting and weeding.
   这位农民使用这种方法来增加他的作物产量，因为它允许他控制播种和除草的时间。