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All of the children were between 6 and 12 years old.
VOA: special.2009.01.13
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We have carbon 12. I will even leave off the 6 because we already know it is carbon.
我们有碳12，我们将6省去6,因为我们已经知道它是碳了。
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you can go to 12 hours a day, you can go to 6 six days a week.
可能一天12个小时，一个星期6天。
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Sinai said he doesn't necessarily think another stimulus will be necessary, adding that the economy is in the process of healing itself and could improve significantly in 6 to 12 months.
VOA: standard.2009.03.10
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1 So, it's two times 3.12 plus four times 1.31, 6 all divided by six.
就是2*3。12+4*1。,最后再除以。
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There were 12 lectures, 6 of which were added that were optional lectures.
共有12节课，其中6节是,补充的选修课。
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So I am going to go and I am going to look for something that has an energy of 13.6 electron volts holding it in place, and I am going to use a flashlight with 12,400 electron volts.
所以我将去,找一些东西,有13。6电子伏特的东西,将它固定在某个地方,我要利用12。400电子伏特的电子源。
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And carbon 14, 6 again and it has 8, and it is found in vanishingly small amounts, 10 10 to the minus 12 or part per trillion.
碳14，6个质子，8个中子，它的存在是非常微小的，几乎趋于零，万亿分之。
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+6=12 Oxygen has six valence electrons. Six plus six is 12.
氧有6个价电子。
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So carbon 12. We know that it has the proton number, by definition, is 6. And the neutron number, 6 from 12 is 6. So it has 6 protons and 6 neutrons.
所以碳12，我们知道它有质子数，根据定义，那就是6，而电子数，12减6等于6，所以它有6个中子。
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N and this is known as the Born exponent.
在6到12之间，，N，lies，between，6，and，12，这就是著名的波尔指数。
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So, the Born exponent typically takes values of between six and 12.
所以Born指数典型地包括了,6到12间的数值。
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