在这一部分中，您将看到如何生成键，让你存储每个用户会议所用的数据。

In this section, you'll see how to generate keys that let you store data for each user session.

youdao

你施加一个力，材料就会抵抗它，直到你有一个足够大的力来打破化学键。

You apply a force and the material will resist it until you have a force great enough to break the chemical bonds.

youdao

在一个评论下按“答复”键留下你的回应。

Hit "Reply" under a comment to leave your response.

youdao

So it doesn't matter how big the dictionary is, you can instantaneously retrieve the value associated with the key. Extremely powerful.

因为你可以在线性时间，内得到想要的键对应的值,这太强大了。

麻省理工公开课 - 计算机科学及编程导论课程节选

And what you find is when you have a bonding orbital, the energy decreases compared to the atomic orbitals.

你们发现当你有个成键轨道的时候，相比原子轨道能量要降低。

麻省理工公开课 - 化学原理课程节选

So any time you have two atoms bonding, the bond axis is just the axis that they're bonding along.

任何时候如果你有两个原子成键，键轴就是它们成键的方向。

麻省理工公开课 - 化学原理课程节选