The number of electrons in an atom is deduced to be approximately equal to half the atomic weight.
原子中的电子数,将近是原子质量的一般。
We have a weight on the piston, and that weight is chosen so that p2 it acts as though p external is equal to p2.
让活塞上放一重物,让它的效果刚好,等同于外压强。
Each weighing, say, one 100th of the weight 1/100 needed to establish p external is equal to p1.
每颗重,比方说,使外压强,达到p1的重量的。
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