该方法通过同一对平行边缘在垂直和水平方向的两幅图像，计算水平比例因子；

By means of two images of the same pair of parallel lines that are vertical and horizontal respectively, the scale factor can be calculated.

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HCV - 796药物水平比例地以逐渐增加的剂量增加了得比少，而且似乎在1000毫克步兵大队到达高地。

HCV-796 drug levels increased less than proportionally with increasing dose, and appeared to reach a plateau at the 1000 mg cohort.

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相对贫困一般被认为是家庭收入水平低于平均家庭收入的特定比例。

Relative poverty is generally considered to be a household income level, which is below a given proportion of average family income.

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That represented 10% of revenues and that was the lowest level for the entire century -the entire twentieth century--10% of revenues.

占了收入的10%,这个比例是整个20世纪的最低水平,收入的10%

耶鲁公开课 - 金融市场课程节选

You have to limit your exposure to risky asset classes to a level that allows you to sustain those positions even in the face of terribly adverse market conditions.

你必须把手中持有的风险资产,限制在一个合适的比例水平,并且即使到了最差的市场环境下,你依旧能够承受这些风险资产

耶鲁公开课 - 金融市场课程节选