• 动量认为守恒的”,也就是说,动量一旦建立一定会转移其他地方。

    Momentum is said to be "conserved", that is, once you build it up, it has to go somewhere.

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  • 例如无论一个舞者多么想要地板然后开始旋转,角动量守恒定律绝对阻止这样动作

    For example, no matter how much a dancer wishes to leap off the floor and then start turning, the law of conservation of angular momentum absolutely prevents such a movement.

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  • 能量任何形式守恒

    Energy is conserved in all of its forms.

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  • 我们再一次假定动量守恒的。

    Again, we have to assume that momentum is conserved.

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  • 违背守恒定律而凭空消失了吗?

    Is it lost, in violation of the conservation principle?

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  • 仅仅利用机械能概念守恒

    We only used the concept of mechanical energy, which is conserved.

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  • 在皮亚杰之前没有人注意到守恒

    Before Piaget, nobody noticed these conservation findings.

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  • 系统作为一个整体动量守恒的。

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

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  • 动量守恒叫作动量守恒

    Momentum is conserved, and that's called the conservation of momentum.

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  • 角动量守恒立竿见影的效果。

    That's immediate consequence of the conservation of angular momentum.

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  • 我们相信,机械能守恒定理。

    We believe in the conservation of mechanical energy.

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  • 紧跟着机械能守恒定理而产生。

    It follows immediately from the conservation of mechanical energy.

    youdao

  • 写下整体能量守恒机械能

    I'm going to write down the conservation of total energy, mechanical energy.

    youdao

  • 机械能守恒的,因为重力守恒

    Mechanical energy is conserved, because gravity is a conservative force.

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  • 现在回到机械能守恒

    Now I want to return to the conservation of mechanical energy.

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  • 唯一方法,自然使动量守恒之道。

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

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  • 它们波长就是我们评估是否守恒关键

    The wavelengths of that light are our key to assessing conservation.

    youdao

  • 不再其他任何守恒但是没有问题。

    It is not conserved about any other point, but that's okay.

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  • 动量守恒定律告诉,碰撞速度多少

    So the conservation of momentum tells you what the speed is after the collision.

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  • 因此机械能守恒

    So this is the conservation of mechanical energy.

    youdao

  • 相信机械能守恒定理,我忽略了张力

    I believed in the conservation of mechanical energy and I overlooked the tension.

    youdao

  • 角动量,在Q守恒只有在点Q守恒

    Angular momentum is conserved about this point Q, but only about that point Q.

    youdao

  • 能量必须守恒的。

    Total energy must be conserved.

    youdao

  • 能量守恒

    It talks about the conservation of energy.

    youdao

  • 服从质量守恒定律。

    We write it subject to conservation of mass.

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  • 所以机械能守恒

    And so the total mechanical energy is conserved.

    youdao

  • 我们将看到违反CP守恒现象。

    We still see a version of CP violation.

    youdao

  • 下一个,动量守恒

    Okay, conservation of momentum.

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  • 显然质量守恒而不是摩尔守恒

    So, clearly, mass is conserved, not mole Numbers.

    youdao

  • 还是机械能守恒

    We have also the conservation of mechanical energy.

    youdao

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