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So do you think noble gases would have a high positive electron affinity, a low positive, or negative electron affinity?
那么，你认为稀有气体的电子亲和能,应该是一个高的正值，一个低的正值，还是一个负值？
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So, basically any time we have a really high positive number of electron affinity, it means that that atom or ion really wants to gain another electron, and it will be very stable and happy if it does so.
因此，基本上无论什么时候,只要我们有一个很大的正的电子亲和能，这就意味着这个原子,或离子非常希望得到一个电子，如果它得到了，会变得更稳定更开心。
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So, I've got plus twos, zooming in at high energy against a wall of positive charge.
两个高能的正电荷,在正电荷壁垒时会遇到阻力。
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Every one of them has a positive equity premium; although the U.S. is on the high side of them all, it's not the best.
这些国家都存在正股权溢价,美国的股权溢价相对很多国家较高,但不是最高的
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More and more high schools are introducing positive psychology class. ***** Elementary schools are introducing it.
越来越多的中学开始引入积极心理学*,小学也是。
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Well, one thing that goes wrong is that suppose Coke and Pepsi were able to either to write a contract or whatever to sustain joint monopoly output at this high price, this price which is actually producing positive profits in the industry it is going to turn out, therefore the price is going to be above costs.
我来说吧,问题出在这里了,假设可口可乐和百事达成了协议,不管签的是协议还是合同,只要能通过协约维持垄断产出,通过制定高价来达到正的利润就行,这样价格是高于成本的
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And then the repulsive term, some positive coefficient r and r to a very high number.
然后排斥力，一些正系数,以及具有很大数值的。
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So, if we look at the bottom here and the actual plot of the wave function, we see it starts high, very positive, 0 and it goes down 0 and it eventually hits zero, and goes through zero 0 and then becomes negative 0 and then never quite hits zero again, although it approaches zero.
我们看,这下面这是波函数，我们看到它开始很高，是正的，然后降低直到,然后它穿过，变成负的,最后接近,但没达到，在这个。
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If x is high relative to x-bar--this is positive-- then y tends to be low relative to its mean y-bar and this is negative.
如果x比x均值要大,这个为正,而y比y均值小,这个为负
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If they tend to move together, when x is high and y is high together at the same time, then the covariance will tend to be a positive number.
如果x和y同向变动,当x值和y值同时都很大,协方差的结果将会是一个正值
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