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It sounds pretty silly, but it's really important because it allows you to define a thermometer and temperature.
这听起来相当白痴，但是它确实很重要,因为它让你可以定义,温度计和温度。
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Because it allows you to very softly express a dislike about a suggested action.
因为这个句型能让你以一种委婉温柔的方式表达对某一提议的否定。
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So, zeroth law, then, allows you to define the concept of temperature and the measurement of temperature through a thermometer.
因此第零定律，使你可以定义温度的概念,以及通过温度计,测量温度的方法。
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And the Born-Haber Cycle allows you to see what the relative values of the different energy components are.
波恩哈伯循环能使我们,看看不同能量成分,相对值是多少。
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On Thursday, we'll look at why that allows you to do lots of things more conveniently than you can do without mutation.
周四我们会探讨下,为什么这种可变性会让你,在进行很多操作的时候方便了许多。
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Realize that there's this wonderful mechanism in place that allows you to put your toe in the water for several weeks no less and then get a sense, and then decide whether or not this is something for you.
要知道这种好的评分体制哈佛也有,在这种机制下你可以先试听几周,熟悉这一机制，然后再决定这是否适合你。
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But at least it allows you to see how the body and the personality could come apart.
但至少可以让你看到,肉体和人格的可分离性。
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You have to limit your exposure to risky asset classes to a level that allows you to sustain those positions even in the face of terribly adverse market conditions.
你必须把手中持有的风险资产,限制在一个合适的比例水平,并且即使到了最差的市场环境下,你依旧能够承受这些风险资产
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The main function of all your cells, and all your tissues, and all your organs is to maintain this homeostasis, which allows you to live in a changing environment.
你所有细胞,所有的组织,所有的器官最主要的功能,就是维护这个内稳态,使你能够以不变应万变
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It allows you to say "yes."
它可以让你说，“是的。”
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What happens is you become sensitive to a cue that an event is about to happen and that allows you to prepare for the event.
经典条件作用使得你对预示着,即将发生之事的提示线索变得敏感,这使得你能够为即将发生的事件作好准备。
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and "That's why" allows you to discuss the results.
That is why”让你可以讨论它的结果。
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But get out of yourself, and allows this wonders, this connection to fill you, and lift you up today.
走出你自己，让这些,奇遇，这些联系填充你的身体，来提升今日的你。
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Because when that happens, when he gives up his rage, and he allows-- you remember he allows Priam to bury his son Hector, something he would have refused to do in his rage.
通过这件事可以看出来--,当他不再愤怒时,他允许--,你们记得吗,他允许普里阿摩斯埋葬他的儿子赫克托尔,而这是当他愤怒时本该拒绝的事情
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It allows you to define the concept of a thermometer. You have three objects, one of them could be a thermometer.
从热的物体流向冷的物体,由此我们可以定义温度，我们还可以用它来定义温度计：
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Scratch So, we looked last week at Scratch, very briefly, but hopefully you found if you've dived in already that the interface is fairly intuitive and it really just allows you to implement ideas that you conjure up in your mind.
我们上周非常简略地提到了，不过我希望你们热切的投入了进去了,那个界面是相当直观的,相信我，这真的可以让你实现你,大脑中的构想。
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It's an example of a technology called a gene chip that allows you to, on each one of these spots there is DNA for example, that's specific for a particular gene in your genome, in the human genome for example.
这是一种叫做,基因芯片的技术,其上每个点可能代表着一种DNA,它是你基因组中一个特定的基因,亦或是人类基因组中的一个基因
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the zeroth law, which is the common-sense law, which says that if you take a hot object next to a cold object, heat will flow from the hot to the cold in a way that is well defined, and it allows you to define temperature.
上节课我们讨论了，热力学第零定律,这一定律源自常识：如果把一个热的物体,与一个冷的物体挨在一起，热量就会以确定的方式。
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We own our own phone number, that allows you to input key strokes like you would any system and this is an example of what we call CS50 Voice.
我们都有电话号码，这就让我们可以输入任意的数字,然后这是CS50，Voice的一个例子。
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At the same time, as I empty myself of a lot of my own focus on myself, it allows me to hear and pay attention to all the things that are around you.
我对自己做了清理,减少了自己的重视，这使得我能够注意到,身边的一些事情。
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But whereas the other one was obviously forever, this allows you to specify a finite number of times that you wanna do something.
但又不同于“无限循环“,你可以根据需要,为它指定循环次数。
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Odds are if you're an upperclassman, you've had that experience where it's 12 AM, 1 AM, 2 AM, and you're really starting to stress over the incompletion of some problems that for some course, well frankly what this mechanism allows you to do if you're already 90 percent of the way there, you can call it a night and you can put it down and you could feel good nonetheless about where you got to.
对于上游的同学可能觉得无趣，因为他已经具备了这些经验，这时应该开始关注某些课程中,问题的不完整的部分，如果你已经学会了,里面90%的知识，你可以停工,或者把这门课扔到一边。
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Scratch This Boolean expression allows you to say to scratch if you are touching the mouse pointer, the little arrow, do something. How do we do something?
布尔表达式允许你告诉,当你触碰到鼠标指针，也就是小箭头，程序就相应地做一些事情？
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It's a gene that allows you to deliver a drug that's not active but the gene causes that active - that inactive drug to be converted into an active form that kills the cell.
这一方法利用该基因激活,另一种已经导入细胞的非活性药物,来杀死肿瘤细胞
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And you'll find in the end that recursion is a feature of a language, it allows you to map some very obvious concepts like the phonebook tearing in half and half and half and half to actual code without it using some arbitrary human contrived framework like a for loop or a while loop which are much more stilted mechanisms.
最后你会发现递归是某种语言的一种特征,你可以用它将一些非常明显的思想,比如将电话簿划分为一半又一半,映射为实际代码，而不必使用那些人为框架,像for循环，while循环之类的,那是很呆板的机制。
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This diagram here sort of allows me to walk you through some of the terminology of this stem cell development and talk about these concepts.
这张图让我能跟你们一起,走马观花地看看干细胞发展中的术语,探讨一下这些概念
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This diagram is supposed to make you think about the intestinal tract, this tube that runs through our bodies and allows us to acquire nutrients from the environment.
这幅图意在,让你们考虑一下肠道,这个贯穿我们身体的管道,使我们能够从环境中吸收营养
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So it turns out there's a solution to this: If you need more precision, more digits after the decimal point than a float allows, what do you go for instead?
所以这里有一个解决方案：,如果你需要比float类型允许的更高精度，小数点后更多位数,那你该用什么取代它？
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So putting back that prototype allows me to compile this, because I'm saying proactively to the compiler hey, you're going to see a function called increment.
把那个原型放回原处使我能够编译它，因为我提前向编译器打了招呼，将看到一个叫做increment的函数。
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