When this tensor vanishes, the space is calleda flat.当这一张量为零时,空间叫做平直空间.If the circulation vanishes at one instant of time, it must vanish for all times.只要环量在某一瞬间为零, 它就必须永远为零.With this said, the old man vanishes out of si...
I can read Spanish but can't translate into it.我能阅读西班牙语,但不能翻译成西班牙语.I wonder how your religious beliefs would translate into political action.我不知道你的宗教信仰如何转化为政治行动.Reforming Warsaw's stagnant economy requires hars...