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And when you have an optimal substructure and the local solutions overlap, that's when you can bring dynamic programming to bear.
当你得到一个最优子结构,但局部解决方案有重跌时，你就可以引入动态编程,来解决这个问题了。
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The notion here is that you can get a globally optimal solution from locally optimal solutions to sub-problems.
这里的概念是你可以通过,子问题的局部最优方案,得到全局优化解决方案。
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You don't have to mention any of the local variables, because at this point in the story, they're just not relevant.
你不需要提及任何一个局部变量，因为在这个地方，它们是不相关的。
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They've had a great deal to do with the way the South would go, or parts of the South would go.
他们都与南方的整体形势,或局部形式紧密相关
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It's often put in terms of the relationship between the part and the whole. I approach a text and of course the first thing I read is a phrase or a sentence.
经常可以理解为,局部和整体的关系，我看到文本后,首先读到的东西理所当然是一个短语或一个句子。
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There's also a more specific, a more local, reason for which our John Milton was susceptible to this profit-and-loss rhetoric of Calvinist puritan theology.
还有一个更具体，更局部的原因,弥尔顿易受,卡尔文新教神学的盈亏理论的影响。
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It's also used as a local anesthetic for other types of small procedures.
它还会在一些小的治疗过程中,作为局部麻醉剂使用。
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And, if you laid this out in a table, as Mendeleev did with his cards, you would find that the local maxima all occur roughly in the same horizontal position from the end points of the rows.
如果你们这些放到一张表格上去，像是门捷列夫用纸牌做的那样，你会发现局部的最高点,会出现在同一个水平高度,从这些行的最后一点。
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But notice that in terms of the contents of the life, at least the local contents, ? it's a bit hard to see why that would be the case, right?
但是请注意在生活内容方面，至少是局部的生活内容，有点难理解为什么会这样，对吧？
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There's a local change in the membrane, that local change involves opening of channels that allow ions to pass through regions where they couldn't pass through before, that results in a change in voltage.
膜上会发生局部变化,局部变化包括离子通道开启,使离子通过,先前不能通过的区域,从而引起电压的变化
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Takes a start and an end point, just going to bind local variable names start and end to those pieces.
有一个开始和结束点，就是去把局部的变量的名字,和这些点进行绑定。
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When I call or invoke a function, think of it as creating a local table.
当我调用一个函数时，想象一下它是在这里创建了一个局部表。
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For this sprite only, means local, only this function, only this script can use this variable, make this variable for all sprites, meant it was global.
对于只为一种精灵，意思是局部的，只有这个函数中，这个脚本中才可以用这个变量，这个变量为全部精灵而创建，意思是这个变量是全局的。
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There's still a lot more of the text and so that first fragment a part, but I immediately begin to form an opinion about this part with respect to an imagined or supposed whole.
文本中的很多还没有读，但是那第一个片段成为了一个局部，但是我立即对这个局部有了自己的想法,并且开始设想全文。
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I keep referring those successive parts back to a sense of the whole which changes as a result of knowing more and more and more parts.
我继续将剩下的局部,与整体联系,然后知道越来越多的局部。
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And when you declare a variable, whether as an argument or as literally a local variable, they only live inside of that function.
当你声明一个变量，不论是一个参数,还是一个局部变量，它们只存在函数的内部。
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Absolutely, by functions, but you can also create local scope with curly braces.
绝对的，是由函数定义的，但是你也可以用花括号来创建局部范围。
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Because of course,if I haven't had it no wonder I don't remember it but if I have had it,I would have been given that temporary sort of localized amnesia So of course I wouldn't know whether or not I've had it So you ask the nurse ?" "Have I had the operation yet or not?"
因为如果没有手术,难怪我不记得了,但如果手术了，我会被给予那种,短时间的局部失忆药物,所以当然我不知道有没有做了,你就问护士,“我做手术了吗“
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But that table does not affect any bindings for other instances of the variable like x for ANS.
这时这个局部表就消失了,这个局部表将不会影响其它赋值,比方说像ANS对应的x变量。
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Like, number of-- wait, what did we call a were solve-- number of legs and number of heads. OK, those are bound locally.
我们把solve称为--一些腿和头,它们都是局部赋值的,当solve运行完后它们被包裹起来。
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foo So everything is literally going back to back to back and so foo, similarly, if you have any local variables, like temp, it then goes here.
所以所有东西都背靠背紧邻着，所以对于，类似的，如果你有任何局部变量，像temp，它前进到这里。
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Locally x got bound to 3, 3 I added 1 to it, whoop-dee-doo, 4 I get back a 4. But what's the value of x?
这是我想要的对吧？,在局部程序中x被赋值为，我给它加了1，我得到了？
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It's not a local variable.
它不是一个局部变量。
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So variables you were introduced to in scratch, and there was this idea of global and local variables, but scratch called them something a little different.
在scratch中所介绍的变量，这里有一个全局变量和局部变量概念，但是scratch中有不同的叫法。
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No. Because A and B and even temp they were by nature local or temporary variables.
不会，因为a和b还有temp，他们是局部的,临时的变量。
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I would like you to look at this piece of code right here called isPalindrome.
我将会输入一个字符串,命名为s，并局部赋值。
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So answer, or ANS, is also bound only locally.
所以answer，或者ANS，也是局部变量的。
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That expression, or that value, or that value, literally gets passed back out of that local environment to the value that comes back out of it. So in particular, none none what's solved returns is a pair.
这个表达或者说值，实际上是从那个局部环境中,输出来付给它的,所以solved返回的是一对值，它可以是一对。
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It operates in a similar fashion to DNA polymerase in that it denatures locally or opens up the double stranded DNA, but it's different in that it creates a new polymer from the DNA template in the language of RNA, using RNA nucleotides and not DNA nucleotides.
它的作用机制类似于DNA聚合酶,在局部使DNA双链变性,解旋,但不同的是,它合成了一个基于DNA模板的,使用RNA编码语言的新聚合物,即使用核糖核苷而非脱氧核糖核苷
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