与某一DCT相关的PT可以有许多个，因此内容编辑人员可以选择合适的一个。

There can be many PT's associated with a DCT so the content editor selects the suitable one.

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我们将使最全面的、用户友好的目录可能，因此内容和分类将广泛地被使用并且散布。

We will make the most comprehensive, user-friendly directory possible, so the content and taxonomy will be widely used and distributed.

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在中学阶段，把在学校里学到的东西进行延伸与学业成绩呈正相关，因此家庭作业的内容变得更加重要。

During the secondary school years, extending what is learned at school is positively related to academic achievement, so the content of homework becomes more important.

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It decreases. If you're still not completely up on the periodic trends, that is stuff that's going to be on the first exam, so make sure that you're able to do this without taking too much time to think about it.

它会降低，如果你还没有完全掌握周期性规律，而这是第一次考试要求的内容，因此请务必做到不用,想太久就能做到这点。

麻省理工公开课 - 化学原理课程节选

So from that point on it'll be exam 2 material, so depending on how you like to come compartmentalize your information, you can separate that in your brain in terms of what you're trying to learn right now versus what you can put off until a little bit later.

因此从这里开始以后的是第二次考试的内容，当然，取决于你喜欢怎样划分,你的信息，但你可以将你现在要学的,与你以后才学的知识,在你的大脑中分开储存。

麻省理工公开课 - 化学原理课程节选

So, those are the key things to remember for today.

因此那些是今天所学的内容中要记住的关键。

麻省理工公开课 - 固态化学导论课程节选