The relative amount of these two kinds of water varies greatly from one kind of rock or sediment to another, even though their porosities may be the same.
这两种水的相对含量在不同的岩石或沉积物之间差异很大,尽管它们的孔隙率可能是相同的。
As a whole, the relative amount of evergreen broadleaf was fewer and its kind was simple.
总体上讲,黄桷树相对数量偏大,常绿阔叶树偏少,且树种较单一。
DNA saturation experiment is a convenient method for measuring the relative amount and specific activity of RNA polymerase.
DNA饱和分析法,是一种简便的测定rna聚合酶相对含量和相对比活性的方法。
Roger Ibbotson, who is a colleague of Bob Shiller's and mine at the School of Management, has done a fair amount of work, studying the relative importance of these sources of returns.
罗格·伊博森是,我和希勒在管理学院的同事,他在对回报率来源的研究上,做了大量的工作
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