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This is because most fraternities and sororities are named after a series of Greek letters, such as Alpha Delta Pi or Sigma Phi.
VOA: special.2009.09.25
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Why is Alpha the right answer here?
为什么α是正确答案
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So, they took away that gold foil and said is just the alpha particles hitting it some other way?
就是也许这是背景噪音,对吧？于是所以,他们把金箔拿走？
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So Alpha in this case is better against Alpha, and Beta is better against Beta, but neither dominates each other.
所以对方选α时我应该也选α,她选β我也应该选β,这里没有优势策略
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So, what we've got here is a source of alpha particles.
我们已经有了一个阿尔法粒子源。
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It is the quality that we associate with being a kind of alpha personality.
就是这种质量,让我们将其与权势人格联结在一起。
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In that case, alpha is a measure of how much Shiller,Inc. outperforms.
这样的话,alpha就用以衡量,希勒公司.表现超过市场平均水平多少
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Who would choose Beta? Very few Beta's, but mostly Alpha's. Alpha, I think, is the right answer here but why?
好,谁会选β,很少有选β的,基本都选的是α,α应该是正确答案
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If my opponent chooses Beta and I choose Alpha, I get 3; Beta, I get 1. Once again Alpha is better.
如果我对手选β,我选α我得3,选β我得1,也是选α好
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If I choose Alpha and she chooses Alpha to get 0; Beta she gets -1. Alpha is better.
如果我选α,她选α她得0,选β她得-1,选α更好
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It's still I'm choosing Alpha and Beta, my pair is choosing Alpha and Beta, and the grades are the same as they were before.
还是我选α和β,我对手选α和β,成绩的评判和之前是一模一样的
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This is the analogy to the alpha particle.
这和阿尔法粒子类似。
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So, introduction, "in order to explain the results of experiments on scattering of alpha rays by matter, Professor Rutherford," and there is a footnote to the Rutherford model.
嗯，绪论，为了解释实验的结果,关于物质的alpha散射，卢瑟福说“,这儿有一个卢瑟福模型的脚注。
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And what was known about alpha particles at the time is that they were these charged particles and that they were very heavy.
当时对alpha粒子的理解,是它们是带电的而且非常重，有谁知道的,比Rutherford时代的多吗。
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So, this is an absolutely outstanding discovery, even though, if we think about it, what is the probability that this happened, how often did this happen?
0个alpha粒子，这绝对是一个，很了不起的发现，虽然我们仔细想想？
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Because if you choose Alpha, the best case scenario is you get 0, So that's okay good, that's a good counter argument.
因为要是你选α,你最多只能得0,很好,这是个不错的反驳理由
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If the pair chooses Beta, then if she chooses Alpha she gets 3, Beta she gets 1, and 3 is bigger than 1.
如果她对手选β,她选α得到3,她选β得到1,3也比1大
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She's going to choose Alpha and my best response against Alpha is to choose Alpha myself.
她会选α,介于此情况,我最好也选α
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And this is exactly what happened with Marsden who discovered that when he shot the alpha particles at the gold foil he detected something on his detector that click, click, click went a little bit faster.
而对于Marsden来说,就是这样，他发现当他用alpha粒子,轰击金箔的时候，探测器哒哒哒得更快了,他发现一分钟。
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That's called the regression line and the intercept is called alpha--there's alpha.
这就是回归直线,这个是截点,用alpha表示...这里是alpha
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Is the reason people behave badly-- I don't know "Badly"--people choose Alpha in this game here, is it the fact that they can't communicate?
人们之所以取得糟糕的结果,我不敢说结果是不是真的不好,但人们选α是因为不能交流吗
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We say that my strategy Alpha strictly dominates my strategy Beta, if my payoff from Alpha is strictly greater than that from beta, regardless of what others do."
无论别人怎么选,如果选α得到的结果严格优于β,那么α相对于β是个严格优势策略"
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All right, so here once again is our same matrix with me and my pair, choosing actions Alpha and Beta, but this time I'm going to put numbers in here.
我们首先讨论我和我对手,选择α或β的矩阵,不过这次我们用数字来表述
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As we saw before, Alpha is better against Alpha.
就像我们看到的,她选α我最好选α
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What I'm gonna do is draw a larger table, the same basic structure: I'm choosing Alpha and Beta on the rows, my pair is choosing Alpha and Beta on the columns, but now I'm going to put both grades in.
我要画个结构相同的大表格,用列来表示我选α还是β,用行来表示我对手选α还是β,但我要把两人成绩写在一个单元格里
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So what I'm going to do is I'm going to put me here, and my pair, the person I'm randomly paired with here, and Alpha and Beta, which are the choices I'm going to make here and on the columns Alpha and Beta, the choices my pair is making.
那么我把我写在这里,我对手,就是被随机分到的人写在这,还有是α和β,就是我要做的选择,还有我对手要做的选择
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It is true that by both choosing Alpha we both ended up with B-'s.
的确如果我们都选α我们都得B-
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The alpha is just the intercept of this curve.
lpha是截距
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We had acknowledged that Alpha is a dominant strategy for my opponent so we must choose based upon, or knowing that my partner is going to choose Alpha.
我们发现了α是我们对手的优势策略,所以我们必须要根据,我对手会选α来做出选择
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Again Alpha is better. For my opponent, alpha dominates Beta.
选α还是比β好,对我对手来说,α优于β
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