顶管施工对土体扰动是不可避免的，土体变形是土体受扰动的结果，而土体变形则会对周围环境造成危害。
Pipe jacking construction disturbs soil inevitably, which would results in soil deformation and does harm to its surroundings.
在大气层中飞行的飞行器，往往易受大气扰动的影响。
When an aircraft flies in atmosphere, it is often effected by atmosphere disturbance.
分析了空中加油对接过程中受油机受到的各种扰动，阐述了插头锥管加油方式受油机的纵向飞行控制原理。
The disturbances acting on the receiver aircraft in the docking phase of an aerial refueling are analyzed and the truth of longitudinal flight control of the receiver is introduced.
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