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- We conclude this section with two examples of motion under the action of a variable force. 下面我们举两个关于物体在变力作用下运动的例子来结束这一节。
- Work done by a variable force, Tangential effort 可变力操作,切线效果
- Work done by a variable force, vertical effort 可变力操作,垂直效果测量
- question of the acting of variable force 变力做功问题
- variable force energy absorbing device 变力吸能器
- Solving the Variable Force in Dynamic Equilibrium Forles 解动态平衡力中的变力
- A Study of the Question of the Acting of Variable Force 关于变力做功问题的研究
- Air track experiment using variable mass rider and variable force 气垫导轨拓展实验
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
- Napoleon conquered by the force of an iron will. 拿破仑攻无不克靠的是坚强的意志。
- The prices are variable, shop around by all means. 价格高低不一，所以一定要货比三家逐店选购。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- But they refused to bow to force. 但他们拒不向武力低头。
- I had to use force in opening the door. 我不得不用力开那一扇门。
- A finite increment in a variable. 变量增量变量的有限增量
- The invasion force was annihilated. 侵略军被消灭了。
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- When do the new safety rules come into force? 新的安全规则何时生效?
- Winds are mainly light and variable. 风力较弱，风向多变。
