对负荷变化引起的扰动，以抗干扰原则设计了前馈通道，并给出了结构形式和参数设计原则。
To overcome the external disturbance caused by load variation, a feed-forward channel type and its structure parameters are designed.
事实压倒一切的原则不应受到任何东西的干扰。
Facts should constitute the overriding principle and nothing can interfere with this.
保护性农业是一种作物生产手段，它基于三个原则：永久性土被，最低土壤干扰，以及轮作或作物关联。
This is an approach to crop production that is based on three principles: permanent soil cover, minimum soil disturbance, and crop rotations or crop associations.
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