And a standing wave means there is a geometric constraint which is what?

驻波意味着有几何限制,几何限制又是什么？

麻省理工公开课 - 固态化学导论课程节选

It's a geometric factor that's unique for each crystal structure.

特有的几何参数,对不同晶型而言。

麻省理工公开课 - 固态化学导论课程节选

If we add one to the return, then you've got a number that's never negative and we can then use geometric returns.

然后加上1,你永远也得不到一个负数,然后我们对这个值求几何平均

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If they acted with a kind of mechanical necessity or even geometric necessity, they could not possibly be moral laws in that way.

如果这些法则有机械上,或者几何上的必须性的话，它们就不能被称作道德法则。

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There is a geometric constraint.

受到了几何限制。

麻省理工公开课 - 固态化学导论课程节选

Instead, we have a certain energy, we have certain geometric constraints, we have a certain energy constraint and these fall out.

然而，我们有确定的能量，我们有某些几何约束，我们有某些能量约束。

麻省理工公开课 - 固态化学导论课程节选