从这个公式中可以看出,当v接近于c时,更进一步加速所产生的阻力变得无限大-所以c是极限速度。
From this we see that the resistance to further acceleration becomes infinite when v approaches c-hence cis the ultimate speed.
So I just want to use that again and again, starting from that, for various different sorts of conditions andderive the criterion for equilibrium in each set of conditions.
所以我将会一遍又一遍地使用这个公式,从这个公式出发,在各种条件了,推导出,任意条件下的平衡条件。
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