采用合理轮作，深翻土壤，宽行条播并辅以优学方法可以减轻以致根除菟丝于对大豆的危害。
It was possible to decrease of exclude the harm of cuscuta on soybean with a proper rotation, deep soil, broad row drilling and chemcial method.
港口拖轮作业是港口服务系统的重要组成部分，拖轮的合理配置直接影响着到港船舶的数量和吨位。
Tugboat operation is the important part of the service system of the port, the rational marshalling of equipment directly affects the number and tonnage of the vessels arrived at the port.
合理耕作轮作，有利于解决地力矛盾和季节矛盾，实现高产、稳产、低成本。
The rational cropping system is propitious to solve the conflict between soil fertility and crop season, and can achieve high yield and low cost.
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