而坡面田间工程措施主要是修梯田。
Terracing is one of important engineering measures on slope and field.
印加人在他们的山地上修梯田。
当前在新修梯田上作试验，由于缺乏田间设计规范，成果误差偏大，影响推广应用。
Due to insufficient specifications for field design, the result obtained from experiments of newly built terraces has a bigger error, effecting popularization and application.
应用推荐