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You see, the quantum condition, by putting quantization into the moangular mentum it is propagated through the entire system. Orbit dimensions are quantized.
你们看，量子条件，通过把,角动量量子化，它就能在这个系统中进行传播,同时轨道大小也被量子化。
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One can stop spread of disease through a community without being 100% effective in each person who gets the vaccine.
疫苗能够遏制疾病在整个社区中传播,虽然对于每个人来说它并非百分之百有效
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If you want to spread happiness, "Be the change you want to see in the world." By example.
如果你想传播快乐，“成为你想在世上见到的改变“，以身作则。
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These kinds of images do get around of the horrors of war that the misfortunes and horrors of war, which is basically what he calls this entire series.
这些画像在民众间传播了战争的恐怖,这一套画的名字叫做,战争的不幸与恐怖
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Consider the following passage that he writes: "As to rebellion against monarchy, one of the most frequent causes is the reading of the books of policy and history of the ancient Greeks and Romans.
他曾写道：,反抗君主统治的叛乱，最主要的原因是,古希腊，罗马关于政治和历史的书籍,在民间的传播。
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And so letters would be copied,and books would be copied and sent around from different communities.
所以书信和书籍都会抄写,然后在各个团体中传播。
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Because it was precisely because of this one world, run by the Romans and maintained by the Romans, that allowed the spread of Christianity, to a great extent, both ideologically and thought-wise, as well as simply physically.
因为正是由罗马人统治维持的，这个统一的世界，给予基督教在大范围面积内广为传播的机会，不仅是在意识形态和智慧方面，还有物质条件方面。
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Now we don't need the cow anymore because you could pass it from one person to another, and pass the immunity from one person to another.
由于它可以在人与人之间传播,就不再需要奶牛了,就可以把免疫力在人与人之间传播
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Texts were modified in the course of their transmission.
因此，在传播的过程中，经文被修改了。
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Because it's passed by-- can be passed by an oral route it's a disease that's very effectively transmitted in school settings where children are together, or childcare settings.
因为脊髓灰质炎病毒可以,经口传染途径进行传播,因此它是一种,极易在学校传播的疾病,在这些地方孩子们都聚集在一起
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Although there were other written materials being passed around during that time.
虽然在那段时间里,有其他文字资料在传播。
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If I happen to have some other infectious disease, then not only would you passing the protection to smallpox, but you'd be passing that disease among the population as well.
如果正好还有其他传染病,那不仅会传播对天花的免疫能力,也在人群中传播其它传染病
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We'll think about it in section, how you don't need to vaccinate everybody, but you just need to vaccinate a critical number in order to stop the disease from progressing through a community.
我们在讨论会上讲这个,为什么不需要给每个人都接种,但你只需要让接种人数达到一个临界值,就能阻止这个疾病在社会中传播
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You've got to think about that and what it means and how were they transmitted and preserved without ; the means of technology, obviously, that we have today; and what was so exciting in the middle of the twentieth century was the discovery of the Dead Sea Scrolls.I'm sure that you've heard of them.
你们需要考虑到这点及这意味着什么,还有在没有当今我们所拥有的技术的年代,是如何传播和留传下来的;,在20世纪中期时最令人兴奋的就是发现了,死海古卷，我确定你们曾经听说过。
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That had a remarkable effect on reducing transmission of infectious diseases, in doctor's offices and hospitals.
这显著的减少了,在医生的办公室和医院内部,感染性疾病的传播
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It turns out that if you give one child in a home the oral vaccine, you often have a protective effect in other children in the home as well because it spreads from one individual to another.
结果显示,如果给一个家庭中的,一个孩子服用了口服疫苗,就等于给家中的其他孩子,同样进行了保护,因为它会在个体之间进行传播
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As we'll see in section today, a vaccine does not have to be totally perfect in order to prevent transmission of a disease, because when a disease enters a community its spread from one person to another.
有如我们今天看到的,疫苗不一定非要,绝对完美地阻止疾病的传播,因为当疾病侵入一个社区后,会在人群间传播
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And the engineering part of that is sort of the part that I talked about in one slide, when I talked about how do you convert this scientific advance into something that can be delivered all over the world.
这其中的工程部分就是,我曾经在一个幻灯片中讲过的,在我讲到,如何将先进的科学技术成果转化为,可以在世界范围传播的东西
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But what if instead of taking the fluid from a cow, I inoculated--he inoculated me, let's say, and waited until I had the lesion at the right stage, then took some of my fluid and gave it to Brian and Nate and Mirtalla and spread it through the community around me.
但假如不从奶牛那儿取得脓液,假设说是从他那里接种,等到病变程度合适,然后把我的脓液给,布莱恩和纳特还有米特拉,并在我身边的人们之间传播
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They take it, the vaccine itself, the virus, reproduces in their gut and they can actually spread it to other children in the same way that they spread the disease where you've got children that are maybe at school or at childcare.
他们服用了疫苗,则疫苗菌本体,病毒本体便在他们的体内进行繁殖,实际它们以同样方法传播到其他孩子体内,当你去学校或者幼儿园,接你的孩子的时候,这些病毒正在传播
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