• 专家说,体重增加是因为运动量减少。

    Experts say weight gain results from less movement.

    youdao

  • 我们要再一次假定,动量是守恒的。

    Again, we have to assume that momentum is conserved.

    youdao

  • 它一定有动量,但它却没有动能。

    It must have momentum, and yet it has no kinetic energy.

    youdao

  • 动量效应允许投资者慢慢变富。

    The momentum effect allows investors to get rich slowly.

    youdao

  • 系统作为一个整体,动量是守恒的。

    It's just the system as a whole for which the momentum is then conserved.

    youdao

  • 我可以第一次应用,动量守恒。

    And so now I can apply, for the first time, the conservation of momentum.

    youdao

  • 这也是一个很棒的动量构建工具。

    It's a great momentum-building tool as well.

    youdao

  • 那么动能和动量,取决于你的参考系。

    Now, the kinetic energy and the momentum depend on your reference frame.

    youdao

  • 这有一个旋转的角动量,如你们所见。

    We have here the spin angular momentum that you saw.

    youdao

  • 这是唯一的方法,自然使动量守恒之道。

    That's the only way that nature can conserve momentum.

    youdao

  • 角动量现在是在这个方向。

    Angular momentum is now in this direction.

    youdao

  • 动量效应提出了一个更深层的重要问题。

    The momentum effect raises a further important issue.

    youdao

  • 力是这个方向,旋转角动量是这个方向。

    Torque is in this direction; spin angular momentum's in this direction.

    youdao

  • 一旦房价开始上涨,其动量便会迅速累积。

    Once house prices start to rise, the momentum can build up quickly.

    youdao

  • 不要混淆动量和能量。

    Never confuse momentum with energy.

    youdao

  • 这种动量使车体有足够的能量爬上下一个坡。

    This momentum gives the train enough energy to make it up the next hill.

    youdao

  • 总动量为,两者的矢量和,也就是这个东西。

    The net momentum is the vectorial sum of these two, which is this.

    youdao

  • 角动量是这个方向了。

    Angular momentum is in this direction.

    youdao

  • 观察那个旋转角动量。

    Look at that spin angular momentum.

    youdao

  • 注意l,旋转的角动量,已经从这移到了这。

    But notice that l, the spin angular momentum, has moved from here to here.

    youdao

  • 物体1的动量是多少?

    What is the momentum of particle number one?

    youdao

  • 所以旋转的角动量是,这个方向。

    And so the angular momentum of spin of the wheel is in this direction.

    youdao

  • 这个的动量是多少?

    And so, what is the momentum of this one?

    youdao

  • 因此,总的角动量,有两个向量。

    Therefore there is a total angular momentum which is the vectorial sum of the two.

    youdao

  • 有了旋转的角动量。

    It has spin angular momentum.

    youdao

  • 这个应用程序就是为移动量身定做的。

    This is an application that is made for mobile.

    youdao

  • 虽然动量效应大量存在,却从未有过合理的解释。

    Although the momentum effect has been amply documented it has never been properly explained.

    youdao

  • 这是之前的动量。

    That's the momentum before.

    youdao

  • 这是之前的动量。

    That's the momentum before.

    youdao

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