• 地面一个静止的立方体,这是Box2D已知的,因为这个立方体质量(默认),因此不会其他物体相撞

    The ground is a box that is static, which Box2D knows, because the box has zero mass (by default) and therefore doesn't collide with other objects.

    youdao

  • 给出光子波粒二象性推导光子静止质量一种方法

    From the wave-particle properties of photon, the author presents a method with which the static mass of photon can be deduced to zero.

    youdao

  • 显然光子一个主要区别于其它粒子特征在于静止质量

    Evidently one of the main distinguishing characteristics of photon is just its zest rest mass.

    youdao

  • 实物粒子静止质量微观粒子,电子原子分子等。

    The object particle means to the microcosmic particle that its static mass is not zero, for example, electron atom molecule and so on.

    youdao

  • 实物粒子静止质量微观粒子,电子原子分子等。

    The object particle means to the microcosmic particle that its static mass is not zero, for example, electron atom molecule and so on.

    youdao

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