pext
原声例句
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We're going to change the pressure above, Pext right now there's a p external, which is equal to p on the inside.
来改变外界条件，可以改变外界的压强，它将与气体压强p相等。
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p2 It's minus p external. Well p external is actually p2, so that makes it actually easier.
它将等于-Pext，dV，而外界压强就是，这样简单多了。
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This is the pressure that you're applying against the piston, not the pressure of the gas.
最后等于Pext乘以体积,面积乘以距离得到体积。
应用推荐
$firstVoiceSent
- 来自原声例句