So you're basically having a wave equation for a particle, and for our purposes we're talking about a very particular particle. What we're interested in is the electron.

所以你们主要有,一个粒子的波动方程，我们的目的是考虑一个特殊的粒子,我们感兴趣的是电子。

麻省理工公开课 - 化学原理课程节选

So the long-term cost, or the major cost is approximately the same as both models.

因此本项目的长期成本，或者主要成本,都是和其他两种模式差不多的。

麻省理工公开课 - 媒体、教育、市场课程节选

That's achieved - in fact that's the main goal of many of these organ systems, right?

这通过,事实上这是,很多器官和系统存在的主要目的,对吧

耶鲁公开课 - 生物医学工程探索课程节选

The aim of the Republic is to establish a harmonious city, based on a conception of justice that, so to speak, harmonizes the individual and society, how to achieve that.

理想国》的主要目的,是要建立一座和谐的城邦，其基础概念是正义，也可以说是要协调个人与社会，及陈述达成目的的方法。

耶鲁公开课 - 政治哲学导论课程节选

There's some of it, but it's not the primary goal.

当然有一些是,但那不是这些对话的主要目的

耶鲁公开课 - 死亡课程节选

There is a very big-- one of the largest clinical trials that the U.S. Government ever did was called the Women's Health Initiative, and there were several purposes built into this particular study, but what it did was it took post menopausal women and randomly assigned them to different dietary conditions.

有一个很大的,美国政府曾经做过的,一个最大的临床试验,叫做"妇女健康倡导计划",这项研究有几个特殊的目的,研究主要是将更年期的妇女,随机分配至,不同的饮食环境中

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It can separate between what's part of yourself and what's foreign, and it does that by presenting, by recognizing antigens that are presented in the context of the major histocompatibility complex, MHC.

免疫系统可以识别出哪些是属于你的,哪些是外来的,它通过呈递和识别抗原达到目的,而抗原是存在于,主要组织相容性复合体中的

耶鲁公开课 - 生物医学工程探索课程节选