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If my opponent chooses Alpha and I choose Alpha, I get 0; Beta, I get -1. So Alpha would be better.
如果我对手选α我选α,我得0,选β我得-1,选α更好
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We broke up into groups, and each group designed its own toy and made an alpha prototype.
我们分成几个小组，每一组独立设计，并制作出一个玩具模型。
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You had to choose grades, so you had to choose Alpha and Beta, and this table told us what outcome would arise.
大家通过选择α和β来确定各自的成绩,这个表格列出了可能的结果
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Alpha particles are these helium nuclei, and they are the result of radioactive decay.
阿尔法粒子是氦核，它们是放射性衰变的产物。
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But it's really interesting the studies that he did do with radium bromide, and he was studying the alpha particles.
但他用溴化镭,做的研究十分有意思，他研究的是alpha粒子。
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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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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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In the first game, it was kind of clear that we should choose Alpha and here it's not at all clear what we can do-- what we should do.
在第一个博弈里,我们很显然应该选α,但这次我们应该怎么选就很不确定了
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But if I choose Alpha and my pair chooses Beta, I get an A and she gets a C.
要是我选α我对手选β,我得A 她得C
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And, so the experiment was to bombard the foil with these alpha particles, and that measure what happens to them.
因此用这些阿尔法粒子,去轰击金箔，将会发生什么事情呢。
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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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If I put Alpha and she put a Beta, I got an A, and if I put Beta and she put an Alpha, I got a C.
如果我选α她选β 我得A,如果我选β她选α 那么我得C
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Suppose I reason and say if we, me and my pair, both reason this way and choose Alpha then we'll both get 0.
假如我和我队友都这么想,如果我们都选α我们得到0单位效用
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And there he was able to identify the alpha particle as the helium nucleus.
他证实了,阿尔法粒子就是氦核。
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Nevertheless, at least 90% of you chose Alpha here, and that's the right answer.
然而90%以上的人都选了α,选α是正确的答案
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Raise your hands and keep them up if you chose Alpha now.
选α的请举手,然后先别放下手
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If you put Beta and you're paired with Alpha, you'll get a C and your pair an A.
如果你选β你对手选α,你得C你对手得A
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And if I choose Beta and she chooses Alpha, then it's me who gets the C and it's her who gets the A.
如果我选β她选α,我得C而她得A
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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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And if I put Beta and she puts Alpha, then she gets an A.
如果我选β她选α 那么她得A
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If the pair chooses Alpha and she chooses Alpha, then she gets 0.
如果对手选α她也选α,她得到0
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If the pair chooses Alpha and she chose Beta, she gets -1.
对手选α她选β,她得到-1
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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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And once I know that she's going to choose Alpha, it's clear that I should choose Alpha and get 0 rather than Beta and get -3. So I should choose Alpha also.
一旦我意识到她会选α的时候,很显然我应该也选α来得到0单位效用,而不是选β只得到-3,所以我也选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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Well they won't be, If you put Alpha and you're paired with Beta, then you will get an A and your pair a C.
纯属娱乐,大家别当真,如果你选α而你对手选β,那么你得A你对手得C
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And two, even if that was the case I'd do better to myself choose Alpha.
第二,就算上条可行我仍应该选α
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