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Cut the problem in half. Cut the problem in half again. And that's a typical characterization of a log algorithm.
是每次除以特定的量,将问题减一半，再减一半,如此，这就是对数算法的典型特性。
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and then half of them are from Betsey Johnson which is right down the street.
其中一半是从贝奇·约翰逊的店里买的，就在这条街上。
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And nearly not even a half of them graduate high school, which is like, a terrible injustice, a complete injustice.
其中不到一半能高中毕业，这非常不公正，完全的不公正。
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So part of it is, you yourselves have figured out, some of you, that you shouldn't choose a high number.
这对了一半,你们都明白了,不应该选择一个较大的数
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This half, I'm gonna put my finger on the 1 and notice I can do the same thing.
这一半，指向1,注意到我可以做同样的比较。
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So halfway is the right thing to do, because at each step, I'm guaranteed to throw away at least half the list. Right? And that's nice.
一半以上的元素，对不对？，这很棒，好，大家猜猜这个算法的增长率是多少？,为什么？太对了。
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If one chord holds twice as long or only half as long, then we have an irregular harmonic change--irregular rate of harmonic change.
如果某一个和弦持续的时间是其他和弦的两倍或者只有一半，这就是不规则的和声改变。
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These sorts of questions will occupy us for roughly the first half of the semester.
这些问题将会大约占到,这学期的前一半时间。
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A couple of you have had the first half of this course, most of you haven't.
你们有几个听过这门课的前一半,大部分也没有
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So, that's sort of half the story.
所以这只是过程的一半。
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It's kind of like the average price of a share adjusted for splits because you don't want the--obviously when they do a two-for-one split, the price falls in half and that's meaningless, so you want to correct for splits.
有点像经过分割调整的股票平均价格,因为你不想,当一股分割成两股,价格下跌一半,这是没意义的,所以要修正分割
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Because if b was odd, then b minus one is even which means on the next step, I can cut the problem in half again.
这意味着我在下一步里解决的问题,规模要小了一半，好，课堂材料的第三题。
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So if I had drawn that better it would look as if this was half of this distance, but I didn't draw it well.
如果我画得准确的话,这段应该是整段长度的一半,不过我没画好
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In fact, it took the same number of steps as it did in the other case, because each time I'm cutting it down by a half.
因为每次我都把问题的规模,缩小一半，这很棒，好，接下来让我们这么做。
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So on this half, I'm gonna put my finger on the 2.
在这一半，我将手指指向。
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It adds fifty percent or a half to that and that means instead of two quarter notes that we now have three and we can do the same thing to any one of these other values here and that's how we get our triple relationships.
加上了百分之五十或者说一半的原音符值,这意味着除了有两个四分音符,我们现在有三个了,我们也可以在其他这些音符值后加上附点,这就是我们如何做到三倍形式的安排的
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Well, suppose there were 5 billion people Roughly half of them are men half of them are women What we want to know then is how many possible people could the 2 5 billion men make altogether ? with the 2 5 billion women?
假设这有50亿人,非常粗糙地分为一半男,一半女,我们下面想知道的是,25亿男人和,25亿女人总共在一起,能制造多少可能的人？
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Just as forewarning for people who have forgotten what a median is, that means half of you--not approximately half, it means exactly half of you-- will be getting something like B+ and below and half will get something like B+ and above.
稍微提示下忘记中位数含义的同学,这也就是说,不是一半左右,是绝对一半的同学,会得到B+的成绩或更低的成绩,另一半会到B+的成绩或更高的成绩
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