动量守恒定律可以取代牛顿第三定律。
The law of momentum conservation could supplant Newton's third law.
设物体遵从牛顿第三定律。
这就是牛顿第三定律，当然，撼动地球的力，小得难以察觉。
That is the consequence of Newton's Third Law even though the amount by which the earth moves is, of course, too small to be measured.
这是牛顿第三定律的意义：对于每一个作用力总是有其大小相等的反作用力。
This is the meaning of Newton's Third Law: there is always an equal reaction to every action.
作用力等于反作用力，这是牛顿第三定律，因此Fij与Fji完全相等，但它们方向相反。
Actions equals minus reactions, according to Newton's Third Law, so this force, Fij, will be exactly the same as Fji, except in the opposite direction.
而根据牛顿第三定律，鼓皮会施予鼓棍一个方向相反但数值相等的力，并传到我的手中！
Moreover, according to the Newton's Third Law, the snare drum and my hand are action and reaction pair. Hence, a force which is equal in magnitude but opposite in direction would act on me.
受磁场对载流导线有力的作用和牛顿第三定律的启发，希望制造一种新型的直流电动机。然而失败了。
Inspired by the force action caused by magnetic field to current carrying conductor and Newton's third law, we tried to make a new type of DC motor, yet we failed.
阿喷气发动机的工作原理有一个平等，相反重新行动的艾萨克牛顿第三定律的物理，即每一个行动的原则。
A jet engine works on the principle of Sir Isaac Newton's third law of physics, i. e. for every action there is an equal and opposite re-action.
牛顿第三定律和喷气式飞机的动作都可以简单地证明了一个气球膨胀和释放它，排出的空气成为推动了相反的方向气球。
Newton's third law and the action of a jet can be demonstrated in simple terms by inflating a balloon and releasing it, the escaping air propels the balloon in the opposite direction.
颗粒的运动满足牛顿第二定律，流体相的运动规律由局部平均的纳维斯托克斯方程求解，两相间的耦合由牛顿第三定律决定。
The motion of individual particles is obtained by solving Newtons second law of motion and gas flow by the Navier Stokes equation based on the concept of local average.
颗粒的运动满足牛顿第二定律，流体相的运动规律由局部平均的纳维斯托克斯方程求解，两相间的耦合由牛顿第三定律决定。
The motion of individual particles is obtained by solving Newtons second law of motion and gas flow by the Navier Stokes equation based on the concept of local average.
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