zero-mass的意思|示意

For zero nukes would make no sense if this left the world safe for the sorts of mass conventional warfare that consumed the first half of the 20th century.

如果说零核武意味着是使世界对于充斥20世纪上半页那样的传统大规模战事更加安全，那么它是毫无意义的。

I will set them again to zero and now we get one onto double the mass.

我们将它重新调零，再放一个让质量增倍。

These silent, zero-emission gadgets have long been used in NASA spacecraft. They represent the great hope of many environmentalists to power the first mass-produced electric car.

这种低噪声、无排放物的小玩艺儿早就在美国航空航天局的航天器上派上了用场。很多环保主义者对它寄予厚望，期待它能为首批大量生产的电动小轿车提供动力。

Only a handful of homes are zero-carbon, however, and many designs are too expensive to merit mass production

然而只有少数家庭是零排放，许多设计太过昂贵，不值得大量生产。

Make v2 zero, and you see exactly that you see here the same result, so this must be the velocity of the center of mass.

使v2为，你显然知道,在这里有同样的结果，它必然是重心速度。

Bodies have zero mass by default, therefore they are static by default.

如果物体定义为零质量，那么它的默认状态就是静态的。