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。
2
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。
3
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.