chainage

例句：

1. 1.The farmers in the area are practicing chainage to improve soil fertility.
   该地区的农民正在实践链式耕作以改善土壤肥力。
2. 2. The new technology allows for more efficient chainage of crops.
   新技术使得作物的链式种植更加高效。
3. 3. The chainage system has been shown to increase crop yield and reduce environmental impact.
   链式系统已被证明可以提高作物产量并减少环境影响。