It is slightness and light, it is activated directly or separately by an actuator at one side, and has an executer at the other side.
它形状细长，重量较轻，一端由驱动机构直接或间接驱动，另一端载有末端执行器。
On the foundation of former investigation, we find that two points have important infection on curriculum implement, which are curriculum-designer and curriculum-executer.
在前人研究的基础上，总结出两个要素对课程的运行产生至关重要的作用，那就是：课程设计者与课程实施者。
On the foundation of former investigation, we find that two points have important infection on curriculum implement, which are curriculum-designer and curriculum-executer.
在前人研究的基础上，总结出两个要素对课程的运行产生至关重要的作用，那就是：课程设计者与课程实施者。
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