容器的键类型。

Key The container's key type.

youdao

注意：返回的数组将继续保留第一个数组中的所有项的键类型。

Note: the returned array will keep the first array item's key type.

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类的新实例，该实例为空且具有指定的初始容量，并为键类型使用默认的相等比较器。

Class that is empty, has the specified initial capacity, and USES the default equality comparer for the key type.

youdao

It's also important, once we start talking about molecules, to have a way to represent them, and also to be able to look at a shorthand notation for a certain molecule and understand what the bond is.

还有很重要一点是，一旦我们开始讨论分子，我们需要有一种表示它们的方法，而且能够从中看出,某些分子的简化符号，并得知键的类型。

麻省理工公开课 - 化学原理课程节选

So if you think about any one of these carbon-carbon bonds, what type of a bond would you expect that to be?

如果你们考虑任何一个碳碳键，它是什么类型的？

麻省理工公开课 - 化学原理课程节选

All right, so the type of bond energies that we can go and look up in tables are individual atom bonds, H-H, F-F, and the like.

好的，键能的类型,我们能够在表中查到,都是独立的原子键，H-H，F-F以及类似的。

麻省理工公开课 - 固态化学导论课程节选