本课程介绍光学科学与基础工程的应用。

This course provides an introduction to optical science with elementary engineering applications.

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课程介绍通常很简洁。

Introductions to courses are usually brief.

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主要内容：本课程介绍如何利用统计软件处理数据分析中的实际问题。

Contents: the course introduces how to use statistical software to deal with the data analysis problems.

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What I'd like to do today is to introduce myself, introduce the subject, introduce my plans.

今天我要做的是介绍我自己，介绍这门课程，介绍我的计划。

麻省理工公开课 - 固态化学导论课程节选

So, let me introduce you to some of the topics we are going to be covering in chemistry this semester.

让我先给你们介绍一下,我们这个学期课程的主要话题。

麻省理工公开课 - 化学原理课程节选

But, you know, any professor who stands before you should say the same thing about his or her subject. If they don't believe that, they shouldn't be teaching.

但是，你知道，所有站在你们面前的老师,可能都会这样介绍他的课程,如果他们不那样相信着，那他们就不应该教那门课了。

麻省理工公开课 - 固态化学导论课程节选