... Molecular mass distribution 分子量分布 mass distribution density 质量分布密度 relative molecular mass distribution 相时分子质量分布 ...
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A distribution of air pressure and the mass of a given volume of air such that the air density is a function of only atmospheric pressure.
气压的-种分布情况,给定体积内空气质量,即空气的密度,仅仅是气压的函数。
A distribution of air pressure and the mass of a given volume of air such that the air density is not a function only of atmospheric pressure.
一种气压的分布情况,其中给定体积内的空气质量,即空气的密度,不仅仅是气压的函数。
Based on the measured data from the winter wheat fields in Zhengzhou of Henan Province, the vertical distribution of root length density(RLD)and root mass density(RMD)were analyzed.
根据在郑州进行的冬小麦根系田间实测资料,研究了根长密度和根质量密度在砂壤土中的垂直分布。
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