Now, the polio vaccine that Salk produced was very effective, but it required a fairly large dose of the vaccine and it had to be injected into the arms of children.

索尔克生产的小儿麻痹症疫苗效果显著,但是,该疫苗的单支注射剂量非常大,而且必须通过小孩的手臂进行注射

耶鲁公开课 - 生物医学工程探索课程节选

I think that if a classroom devolves to the point where physical force is required to gain control,

我认为，如果一个课堂秩序十分混乱，以至于要用武力来维持秩序，

反对体罚 - SpeakingMax英语口语达人

They're required, every year, to go into the business, into one part of the business for a whole day and learn everything there is to know about that.

他们每年必须抽出一天仔细研究公司情况，公司某一方面的情况,了解所有相关信息。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

So the purity that's required of a priest, who has access to the sanctuary proper, is higher than that of an Israelite, who has access to the outer courtyard only.

因此那些，能够进入圣所内部的祭司，纯洁度比一般的，只能进入外部庭院的以色列人都要高。

耶鲁公开课 - 旧约导论课程节选

So the paper length-- there are two papers required, and there is a final exam the paper length is designed to be quite large.

所以论文的长度-我们要写两篇论文，还有一个期末考试,论文的篇幅要较长。

耶鲁公开课 - 1945年后的美国小说课程节选

So, if you could make automobiles with a high magnesium content, you would reduce the mass, reduce the energy required, and thereby reduce the environmental impact.

所以，如果你能用含镁量,很高的材料来制造手机，你就能减轻手机的质量，减少制造所需能量，因此减轻了对环境的破坏。

麻省理工公开课 - 固态化学导论课程节选

In the section this week, I'll talk about the section meetings in just a moment, but there's no required section meeting this week.

本周的小组讨论,我花一点时间说说关于小组讨论的事情,本周没有要求的小组讨论

耶鲁公开课 - 生物医学工程探索课程节选

Partisanship and loyalty to one's own way of life are required by a healthy city.

党派意识与对自己生活方式的忠诚,是一座健康城市所必须的。

耶鲁公开课 - 政治哲学导论课程节选

The first phase required them to identify a customer that was not well-served by Merril Lynch, or perhaps a new customer and to profile those customers in terms of their risk and investment profits.

第一个是要求他们找到,未受到美林良好服务的顾客，或者是一个新顾客,并且根据风险和,投资利润对顾客分组。

麻省理工公开课 - 媒体、教育、市场课程节选

And there're other women will say, "I don't think this is religiously required of me, but it also realize I'm a practical person that I don't have alternatives right now So there are many kinds of different things of play.

还有的女性会说，“我不觉得这是宗教对我的要求，但它还是让我看到自己是个很实际的人,因为我现在没有别的选择,所以说观点真是各种各样。

普林斯顿公开课 - 人性课程节选

So we can completely describe an orbital with just using three quantum numbers, but we have this fourth quantum number that describes something about the electron that's required for now a complete description of the electron, and that's the idea of spin.

所以我们可以用３个,量子数完全刻画轨道，但我们有这第四个量子数,来完整的,描述电子，这就是自旋的概念。

麻省理工公开课 - 化学原理课程节选

The class just seemed to be a platform for Kagan to throw out random ideas " and the students were never required to engage in any thought."

它看起来就像一场演出,演出内容就是卡刚抛出随机的观点,而学生们从没被要求参与其中“

耶鲁公开课 - 死亡课程节选

The press started writing a lot about Trans fats and then the government required Trans fats to be shown on labels, and then the food industry really had to pay attention and a lot of them started taking out Trans fats.

新闻开始大量报道反式脂肪,政府则要求内含则必须在标签上注明,这才真正引起了食品业的重视,许多厂商开始剔除反式脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And we had the similar statement by Kelvin about the heat engine that required that some heat gets dumped into a cold reservoir in the process of converting the heat from the hot reservoir into work.

相同的陈述,同样的有开尔文表述：,把热量完全从高温热源,转移至低温热源的过程中,必然有功的输出。

麻省理工公开课 - 热力学与动力学课程节选

Notably, it's typically required that it's one share, one vote and that there's it would be also required that there be an annual meeting-- at least once a year, a shareholder meeting-- and then the shareholders can vote on relevant issues.

还有些一般性条款,如一份股票代表一张选票,还比如年度会议,每年至少有一次股东会议,股东可以对相关议题进行投票

耶鲁公开课 - 金融市场课程节选

Now, each week we have a section meeting, required section, they're all - all the sections meet on Thursday afternoon and the idea of the section is to amplify on some subject we've talked about during the week.

每周我们都会有小组讨论会,这个讨论会是必须要开的,开会的时间都在周四下午,开会旨在,对本周讲过的内容进行一些引申和拓展

耶鲁公开课 - 生物医学工程探索课程节选