A body at rest will remain at rest and a body in motion remains in motion at a constant speed in a straight line, unless acted upon by an external force.
若没有外力的作用，一个静止的物体会保持静止而一个运动的物体会做均速直线运动。
Fluid motion caused by an external force such as gravity.
由重力等外力引起的流体运动。
Its inverse force analysis is to find all equilibrium configurations when an external force ACTS on its moving platform.
其力逆解即给定作用于上平台上某点的外力，求系统处于静力平衡时的所有构形。
The utility model has a lock lever structure, and the fishing rod can conveniently realize self locking when acted by an external force.
本实用新型带有锁竿结构，鱼竿受到外力作用即可方便实现自锁。
At last the motion of interface was researched in the presence of an external force and damping. The common motion equation of interface was achieved.
最后讨论了界面在外力及阻尼情况下的运动，得出界面的一般运动方程。
Now it may be stated that an object at rest remains at rest and an object in motion will continue moving without changing its velocity, unless it is acted upon by an external force.
可以说，如果没有外力的作用，处于静止状态的物体始终处于静止状态，而处于运动状态的物体将以匀 速继续运动下去。
One analyst suggested rio wants an external force to solve its dilemma such as a ruling by australia's foreign investment review board ( firb) which would come ahead of a shareholder vote.
一位分析师提出，力拓希望能有外部力量帮助它解决困境，比如在股东投票前，由澳大利亚外国投资审核委员会（FIRB）做出裁定。
Vibration frequency of ball end mill by an external force is far from the natural frequency of it, resonance phenomenon does not occur, so vibration and deformation of ball end mill are not abvious.
球头铣刀在外力作用下的振动频率离固有频率较远，不会发生共振现象，由此引起的刀具振动和变形较小。
An external force is required to cause a transformation between the first and second configurations.
需要外力以在第一和第二构型之间引起转变。
Methods: An external force actuator was developed, the imaging pulse sequence of MRE was designed, and tissue simulating phantoms were constructed.
方法：研制外部激发装置，设计成像脉冲序列，制作模拟人体软组织的体模。
An external force such as hammering, strong vibration and the like does not need to work in the construction, so the construction cost is reduced, and the efficiency is improved.
施工中不需锤击、强力震动等外力作功，降低了施工造价，提高了效率。
An external force such as hammering, strong vibration and the like does not need to work in the construction, so the construction cost is reduced, and the efficiency is improved.
施工中不需锤击、强力震动等外力作功，降低了施工造价，提高了效率。
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