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and when we remove one of the weights, p2 this gives an external pressure p2.
外部压强，变为。
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It was a tragic--It was crushed by the weights of the electrodes.
是个悲剧,被电极的重量给压死了
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Of the weights and the values.
代表的是重量和价值。
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So we remove the stops, and the piston moves up, and now we remove one of these weights.
我们移走挡板，活塞向上移动，移走一个重物。
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Some people ask me if I want you to know the molecular weights and so on, and I thought that was bit excessive.
有些人问我,你们是否需要记住元素的相对分子质量，我认为这样的话要求有点过高了。
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So each of these cups again have different weights if I want to find the lightest of them I might start not knowing which is which.
它们的重量互不相同，如果我要,找出最轻的一个，而我根本不知道会是,哪一个。
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It weights big deviations a lot because the square of a big number is really big.
使偏离的权重更大,一个数的平方是一个更大的数
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As people's weights get high -I'm sorry let's go back here, got a little trigger happy here -as weights go high, from left to right you see the risk of Diabetes gets really very high.
随着体重的上升,抱歉,应该回到上一张幻灯片,刚才按多了,在曲线上从左到右,随着体重的上升,患糖尿病的风险在迅速上升
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You just say that arbitrarily this group, the reference group, let's say the group with the lowest weights, or the lowest cholesterol or anything, you say their risk is one, and then you look to see how everybody else's risk is compared to that.
可以随意地设定一个群组,作为参照组,我们可以假设是体重最低的一组,或者胆固醇水平最低的一组或者其他,将参照组的风险设为1,然后就可以比较参照组与其他组的风险
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You could take weights on people measured over a period of many years and look at the variability over time in weight and then link it to things like heart disease and cancer, and I'll come back later and talk about the results of that particular study.
我们还可以得到人们很长一段时间里,每年的体重数据,观察体重随着时间变化的变动,并将观察结果与心脏疾病和癌症联系起来,我等一下会告诉大家这项研究的结果
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You can see that when you get out to the highest groups here, the highest weights, the relative risk is up at two and a half or three, so that would be a 200% increase in risk for cardiovascular death or two to three times the risk of death.
当我们看图上相对风险最高的这组,也就是体重最大的这组,这组的相对风险大约是2.5倍到3倍,即心血管疾病致死的风险增加了200%,或者说增加了2到3倍
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