In this paper, the correction models of light, middle and heavy components ard sample weight, porosity and volume were established from the view point of influence mechanism.

该文从影响机理入手，分别建立了地化热解资料的样品重量、孔隙与体积及轻、中及重质不同组分的校正模型。

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In a sample of middle- and high school students, the illicit useof stimulant medication was 4.5 percent.

中学生和高中生样本中非法服用兴奋剂的比例是百分之四点五。

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This sample has been burned in the bottom because the venting is not good, we can add an insert in the middle of the rib.

这个样板的筋骨位底部烧焦，是因为排气不良，我们可以在筋骨位的中间增加一个镶件。

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And I say if you took a random sample of the Americans: "When you woke up in the middle of the night" and said: "What does the America stand for?"

我觉得如果给美国人做个抽样调查：,半夜醒来的时候“,被问到，美国人主张什么“

普林斯顿公开课 - 国际座谈会课程节选

And - as in the case of middle distance runner Diane Modahl - incorrect storing of a urine sample may alter its chemical components.

BBC: Doping: Banned substances

Turkish and Middle Eastern food is all the rage in Bucharest right now and one of the liveliest spaces to sample enormous kebabs and plates of hummus and baba ganoush is Divan, where waiters in traditional Ottoman garb dazzle the crowds.

BBC: Bucharest��s new Old City