我的台式处理器上有如此多的空闲周期，为什么我会需要另一个处理器呢？

With so many idle cycles on my desktop processor, why would I need another processor?

youdao

爸爸，我需要记住一个关于植物繁殖周期的单元。

Dad, I need to memorize a unit about the reproductive cycle of plants.

youdao

产品生命周期对营销人员的重要性在于：在产品生命周期的不同阶段需要采取不同的策略。

The importance of the product life cycle to marketers is this: different stages in the product life cycle call for different strategies.

youdao

Depending on what kind of chemistry you go in to, you might accidentally memorize parts of the table, which is fine, but what you really want to know how to do is know how to use the periodic table.

取决于你今后从事哪个方向的化学研究，你可能会不经意地记住周期表的某一部分，这就够了，但是要注意,你真正需要知道的是如何使用元素周期表。

麻省理工公开课 - 化学原理课程节选

And what we've been talking about with all of these properties are, of course, how can we figure out what that is for a certain atom by looking at the periodic table, so we want to think about the periodic trend for atomic radius.

对于我们讲过的这些性质，我们所讨论的一直都是,当然是，我们如何能够判断某一个原子的这些性质,通过观察周期表，因此我们需要思考一下原子半径的周期性规律。

麻省理工公开课 - 化学原理课程节选

We need to add something else in order to explain what is going on in the Periodic Table.

我们需要引其他一些东西进来才能解释清楚,元素周期表中发生的这种现象。

麻省理工公开课 - 固态化学导论课程节选