在力学中，经常遇到物体的约束运动。
In mechanics, usually meet with confined motion of the body.
对于约束运动中的功和能，目前均采用具体分析和计算约束力所作功的方法来处理。
At present work and energy in confined motion are treated with the method of work done by confined force which is analysed and calculated.
从引线键合运动的角度来说，完整过程包括两种不同的运动状态：自由运动和约束运动。
From the view of wire bonding, the whole procedure consists of two states: the free motion and the constrained motion.
提出了虚拟维修样机的概念，通过定义样机部件的约束运动和交互特征来实现其要求的功能。
In prototype modeling, a concept of virtual maintenance prototype (VMP) is reduced, and its functions are implemented by defining constrained-motions and interaction features of all parts of a VMP.
在理解一滴水的存在时，可以依据它单个的水分子、分子之间的特定力量以及约束运动的一般物理法则，即量子力学。
A drop's existence can be understood in terms of its individual water molecules, the particular forces between them, and the general physical laws governing motion: quantum mechanics (QM).
在理解一滴水的存在时，可以依据它单个的水分子、分子之间的特定力量以及约束运动的一般物理法则，即量子力学。
A drop's existence can be understood in terms of its individual water molecules, the particular forces between them, and the general physical laws governing motion: quantum mechanics (QM).
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