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You can often find a lot of information in family pictures, letters and other documents.
VOA: special.2010.06.28
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Then you get to 2 and 3 John, two letters that are written to "the elected lady and her children."
然后是约翰二书和约翰三书，这两封信都是写给,“蒙拣选的太太和他的儿女“
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and you have to submit letters of recommendation.
同时还要提交推荐信。
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Legally, that's correct, but you see cases in letters and all kinds of stuff from the Ancient World that women actually were more unofficially part of their husband's house.
法律上是这样的，但是从古代书信,及其他各类文献中发现,女子更像是丈夫家中的非正式成员。
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The actual fluctuation of your voice isn't something that's taught, but what they teach you is how to pronounce the letters properly, and rules that go along with the letters.
你声音的起伏不是别人教的,但是他们教会你的是,字母的正确发音，以及这些诵读这些字母的规则。
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Pulling this lever or pushing the button would actually rotate the paper enough so that you'd be on a new line and it would also move the little imprinting head that prints the letters of the alphabet and such all the way to the left.
拉杆或按下按钮会让纸翻一下,这样你就能在新的一行上打字了,同时移动打印字母的,压印头,这样也能移到最左边。
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If you can figure out why fails on three letters instead of 12, you'll be more than half way to solving the problem.
如果你能明白为什么程序,在输入三个字母的单词的时候没法运行,你就已经解决了问题的一半了。
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Now for Wednesday I am going to ask you to go online to the Beinecke Digital Archive and read those letters.
周三我会让你们上网,看Beinecke数位档案。
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Restriction enzymes have names, The names all look - they're all italicized and they're capital letters and small letters so that they won't be easy for you to understand, but they are - if you know the nomenclature, easy to understand.
限制性内切酶有自己的名字,名字看起来都很--,都是斜体的,大写小写字母混合,你们不太容易理解,但它们都是--如果你懂命名法,是很容易理解的
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And if you are looking at a keyboard, we can predict in the real time very rapidly that beat your very single finger typing speed, exactly the letters you like to type and hit, therefore provide a communication mechanism that Christopher Reeve and those similar with him can benefit from.
如果你在看电脑键盘，你可以十分快速地,实时预知自己手指敲击键盘的速度，预知你想录入的字母，这样便为克里斯托弗·里夫,和其他你说熟悉的人提供了一种沟通机制，使他们从中受益。
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You could think of these as two companies producing bottled water and now we're going to get hundreds of letters saying not all bottled waters are the same, especially from Italians and the French, but never mind. Let's just pretend that they are.
把他们想象成两家瓶装水厂商吧,我估计我们会收到数百封信件,告诉我说不是所有瓶装水都是一样的,尤其是从意大利和法国寄过来的那些,无所谓了,就把它们想象成是同质的吧
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One of the most famous, Hector St. John de Crevecoeur, who in his famous fictional letters, Letters from an American Farmer, he invented a character, if you've ever read that great text, called Farmer James.
其中最著名的一位是,J·赫克托·圣约翰·克雷夫科尔,在他的著作,《一个美国农民的信》中,他创造了一个形象,如果你读过这本书,农夫詹姆士
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The number that you choose to rotate your letters by is what we call in cryptography, a key.
你选择的旋转字母的数量,就是所谓的加密学，一个密钥。
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And what happens if you want to move back and forth between a bunch of different letters?
如果你想阅读,不同的书信呢？
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Then you get to The Letters of Paul.
然后是保罗书信。
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So if your word game doesn't work when the words are 12 letters long, instead of continuing to debug 12 letter hands see if you can make it fail on a three letter hand.
因此如果你的单词游戏当输入单词,有12个字母的时候没法运行了，看看输入三个字母的单词它,能不能正常运行吧。
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You rotate the letters by a deterministic amount, by a fixed number of steps so that the end result is actually something that can be reversed.
你用确定的数量旋转那些字母，通过一个固定数量的步骤,这样，最终结果是可以把它,反加密出来。
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Whenever your church would get a copy of one of these letters from Paul,you would have scribes,often slaves, because slaves were especially trained to be scribes.
当一个教会得到保罗书信的一份副本时,你就要让抄写员，他们通常是奴隶，因为奴隶被专门训练成为抄写员。
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We have those letters. You can go and touch them.
我们有那些信，你可以去摸摸它们。
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You have to come up with a convention that maps numbers to letters.
你必须提出一个,数字与字母对应的协定。
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Now, once you know each of those, you can now do 25 more upper case letters and 25 more lower case letters then there are some other stuff like punctuation and things you see on the keyboard.
一旦你知道两者中的任何一个，你就知道了另外25个,大写字母和小写字母,标点和在键盘上的,各种符号也有ASCII码。
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But if we know that 65 is the int that maps to the capital letter "A," we've already seen verbally that you can convert letters to numbers and numbers to letters, and so here's the syntax with which we'll soon be doing that.
如果我们知道65是个整型数，对应的是,大写字母“A“，我们已经口头地说明,我们可以把数字转换为字符，字符转化为数字，所以这里就是我们将要学习的一种语法。
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And I want now to show you some of those letters that I mentioned.
好了，我要讲些,信的内容。
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