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- Part of the challenge is speed, too, how quickly you can get these answers in terms of getting them in on time.
部分困难也会来自于速度，你多快能做出答案,能否在规定的时间做完。
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but also like the university system in general like, here you're living in a university with people.
而且由于大学里总体的制度规定，你在这里能够真正地与人交流。
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Holy things only exist because of safeguards, rules that keep them separate, that demarcate them.
神圣的事物只有在保护措施，规定，存在的时候才会存在，它们被和世俗区别开来。
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You can't go to school in this country, and in many countries, until you've had your prescribed set of vaccinations.
在我国,接种规定的疫苗之前,许多国家也一样,你都不能去上学
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A perpetuity is an asset or a contract that pays a fixed amount of money each time period, forever.
永续年金是一种财产或者合同,规定在每一时间段内,支付一定数量的货币,直至永远
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And in the Methuselah case,I've stipulated, it ends up not being very much like me at all.
在玛士萨拉的案例中，我规定，最后的我完全不像我自己。
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So that way you can have an idea if, oh, I do really understand this but I'm a little bit slow, maybe I need to practice this one type of problem a little bit longer so I can get up to speed so I'm going to be able to get through all this in terms of the exam time.
这样你就可以知道，假设，噢，我真的懂这个，但是我的速度有点慢，或许我需要在练习这个类型的题目上,多花一点时间,这样我就可以提高自己的速度,可以全部做完,在考试规定的时间内。
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So if delta v is negative, in this case delta v is negative, OK, delta v is negative, pressure is a positive number, negative times negative is positive, work is greater than zero.
也就是当活塞,压缩气体的时候，做的功是正的，按照这一规定,我们需要在这里，加上一个负号，这是习惯规定。
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And so if you sign a contract with the government for millions of dollars, you have guarantee to get your dollars back, plus whatever profits they allowed in the contract.
所有如果你和政府签订了合约,做了一个百万的大单子，你能保证拿到钱，和其他的利润,在合同里规定的利润。
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By the late 1970s, when I was there, pressure grew to relax these rules and it became the subject of debate among the faculty at St. Anne's College, which was one of these all-women's colleges.
七十年代后期，我在那里读书时，放宽规定的呼声日益高涨,并引起了其中一所女校,圣安妮大学的教职员，激烈的争论。
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And a lot of the strikes that you see in high schools and in-- I better get to my lecture,but-- you see in high schools and even in middle schools, have to do with the State,somebody saying, well we're going to take away two-hundred teachers in your department, or we're going to maintain a curriculum that doesn't seem to make any sense.
在高中里可以看到很多罢课,我最好回到正题,但还是再讲一点,在高中,甚至在初中有很多罢课,为了反对政府的某项规定,比如说要在这个系减少两百个教师,或者主张一份,完全不合理的课程安排
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People have actually confronted me telling me it's an MIT rule. I've been here 26 years.
有些学生们甚至直接来和我说,这是MIT的规定，我已经在这26年了。
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By the way, I didn't tell you this but I think you know that I picked my origin to be here and measured y positively to be upwards and I called that 15 meters.
顺便说一下,虽然我没明确指出,但我想你们应该都知道,我把原点取在这里,并规定y的正方向朝上,我设把这里的高度为15米
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Now, in some countries and in some jurisdictions the law might not be entirely clear on that; they might say there are other stakeholders.
但在某些国家及法律体系中,法律对此的规定并不明确,他们会说还有其他的股东
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We're also posting a practice exam for you to take, so after you're completely done your studying, it's good to have everything done before you take the practice exam, and then sit down just with this sheet here and your calculator, and ideally a timer, and make sure you can do the practice exam in the allotted amount of time.
我们还将给出一份模拟试题，因此在你完全复习好之后，最好先复习完,再做这份模拟试题，坐下来,只拿出这张表与计算器，最好还有个计时器，确保自己完成模拟题,在规定的时间内。
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Convention, OK, this negative sign is just a pure convention. You just got to use it all the time. If you use an old textbook, written when I was taking thermodynamics, they have the opposite convention, and it's very confusing. But now we've all agreed on this convention, and work is going to be with the negative sign here.
系统对外界做功的符号为负,这就是我们,在本课中的规定，纯粹出于统一符号的需要，有些教科书中，可能会使用相反的符号规定,注意不要混淆了，这门课上,我们将一直使用。
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But in the science fiction story where there's a duplicate,it says, if there's branching,the no branching rule comes in.
但在科幻作品里，复制的案例是存在的，分裂出现时，在无分支的规定下。
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First, the historical prologue that's so central to the suzerainty treaty, grounds the obligations of Israel to Yahweh in the history of his acts on her behalf.
第一点，历史开场白在领主契约中,是必不可少的，规定了犹太人,对上帝需要履行的义务。
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Now, you have to understand that the Treasury has these auctions only on these dates.
你们要清楚,国库券只在规定的日期中拍卖
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In the early post-war period, the corporate--now I'm going to talk-- there's a distinction between the rate that they charge and the actual amount that they take.
在战后初期,公司的...我要说明的是,政府规定的税率,与实际征收的税率之间存在着差异
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They created a new law, which said that every person who works in Germany has to pay the government a certain percent of his income, into the Social Security system.
他们颁布了新的法律，规定每个在德国工作的人,都需向政府支付一定比例的收入，以此来建立社会保障体系。
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Because in Dallas, t have the restrictions of building house that we have in costal California.
在达拉斯，没有限制盖房的规定，they，don’,不像加州。
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and in other countries as well, they're a similar thing.
在美国还有其他国家,都有类似的规定
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The state law probably requires that a corporation have a board of directors, but it's also something that can be defined at the time that you create the corporation in the bylaws.
州法规定,公司必须要有董事会,但还有一些规定,是你在制订公司制度时自由规定的
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This is the concept that is in the law and the reason we have it in the law is that it works to produce prosperity and to produce the things we need, like clothes, medical service, homes, whatever.
这是法律规定的概念,之所以在法律中有这样的规定,是因为这是繁荣的温床,才能生产出我们需要的东西,像衣服,医疗服务,家用等等
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