作动是一个汉语词语，读音是zuò dòng，是指举止动作。
这种进气道由很多调节作动部件组成，从而增加了飞机的重量以及雷达反射面积。
The air inlets comprises many moving parts, which increases the aircraft’s weight and radar reflections.
高层多自由度结构的作动器优化配置问题是主动控制中一个值得研究的重要问题。
Optimization of actuator disposition in high level multiple degree of freedom structures is an important problem.
为自适应调节和改善可展结构动力学性能，研制了一种具有传感和作动双重功能的智能主动杆。
A new intelligent member was designed and manufactured which can sense its location and force to adaptively control and improve performance of deployable structures.
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