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On a positive note, the United Nations estimates the number of child soldiers worldwide has fallen to 250,000 compared to 300,000 five years ago.
VOA: standard.2009.09.16
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dT/dp is mu JT. So for a real gas like air, this is a positive number. It's not zero.
所以对于像空气这样的真实气体，这是一个正数，不等于零。
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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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On a less positive note, the number of newly laid off Americans seeking unemployment benefits totaled 551,000 last week, up from 534,000 the previous week.
VOA: standard.2009.10.01
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So if it went up yesterday, it will more likely go up today, because I'm throwing in a positive number, otherwise a negative number.
所以如果它昨天涨了，那么它几天张的可能性也就比较大，因为我给它的是一个正值，否则就是一个负值。
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Another thing is that most patients - And of those who were tested, only a small number were positive, even though the researchers tested 30 times more people than would normally be tested for HIV.
VOA: standard.2010.07.23
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So in fact this is indeed a positive number so we didn't make a mistake in our signs.
因此等式的右边也是正数,两边符号吻合。
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"If he does not show some progress and it just seems like we are getting deeper and deeper into an occupation and a counter-insurgency effort without any positive news for a number of months, I think he could face some real opposition,".
VOA: standard.2009.09.02
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That quantity in parenthesis, I have a mass which is a positive number. Something raised Something raised to the fourth power has got to be positive.
顺便说一句,质量这个量是个正数,四次方的值,肯定是正数。
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No positive number, no negative number. That's a zero.
没有正数，没有负数，只是个零。
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You picked a positive number.
你选择了一个正数。
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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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we learned that the average number of romantic relationships for people to take positive psychology in 4 years is between zero and one.
我们了解到上积极心理学课的人,在4年里恋爱次数的平均数在0到1之间。
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It could be positive or negative or complex, but it's just an ordinary number.
它可以是正数,负数或者复数,但它仍然只是一个普通的数
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By the way, just to think about it a little bit, it's a positive number.
此外，再多考虑一下，他是一个正数。
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So if delta v is negative, in this case delta v is negative, OK, delta v is negative, pressure is a positive number, negative times negative is positive, work is greater than zero.
也就是当活塞,压缩气体的时候，做的功是正的，按照这一规定,我们需要在这里，加上一个负号，这是习惯规定。
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This is a positive number, p1 is smaller than p2.
这就是系统对外界做的功。
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If n is greater than zero, I decided I would say, "You picked a positive number, backslash n," so put the cursor on the next line, else if n was not less than zero, I say, "You picked a negative number, backslash n."
如果n比0大，我就决定来说：,“你选择了一个整数，反斜杠n“，所以你把光标,放在下一行，另外如果n不小于0，我说：,“你选择一个负数，反斜杠n“
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No, we can't. Because if l equals 1, we can not have m sub l equal negative 2, right, because the magnetic quantum number only goes from negative l to positive l here.
不行，因为如果ｌ等于１,ｍｌ的值不可能等于－２，对吧，因为磁量子数的值,这时只能从－１到１
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And the more positive the balance, the bigger the number, the more your life is worth living.
正得越多，数字越大，生命越值得拥有。
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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 that's just a little bit of a check for yourself, and it should make sense because what you're doing is you're calculating the difference between energy levels, so you just need to flip around which you put first to end up with a positive number here, and that's a little bit of a check that you can do what yourself.
所以你们总要确保括号，离得这项是正的，这是你们自己,可以做的检查，这事很有道理的，因为你们做的是计算能量差,所以你需要调整顺序来保证一个正数，这是你们自己可以做的检查。
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But it's positive 1.5% per year, time-weighted--that's the number that you see in the prospectus or the number that you see in the advertisements so you say, what's the big deal, no harm no foul.
但算下来回报率每年还是正的1.5%,时间加权回报率,是你在招股说明书中,或是在广告中会看到的数字,你会说,没什么大不了,既没损失,也不违法
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Everything inside the parenthesis is positive, so minus a positive number.
而其中间的一切,也是正数，所以正数的相反是负数。
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Because we've got one q1 and then we're adding q2 over q1 to it, but we've got negative q2 is a positive number.
这是因为这里有个,然后加上了q2除以，但是我们知道负的q2是个正数。
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I'm pressing on the gas. So I expect that to be a positive number. The pressure is constant 0 p. The V goes from V1 to zero.
我们对气体加压,所以这应该是一个正数,压强是常数，p，V从V1变成。
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V1 This first integral is zero V1 to V1, then I get minus p2 times V2 minus V1 or p2 times V1 minus V2. Again, 0 a positive number.
先保持体积为，对pdV积分1,然后对p2dV从V1到V2积分，第一部分积分为。
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And so we have a positive charge in the nucleus which is given by the number of protons.
在原子核上,有很多质子聚集而形成的正电荷。
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If when x is low, y also tends to be low, then this will be negative number and so will this, so their product is positive.
如果x取值小,同时y值也小,这将是一个负值,这个也是负值,负负得正,结果是正值
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The more positive the number, the better your life.
正的数值越大，你的生命越好。
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