... 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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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。
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.
根据信号、本底的时间分布以及时间、时间误差、质量、质量差等变量之间的关系，构建概率密度函数。
The probability density function (PDF) is constructed from the time distributions of signal and backgrounds and the relations among time, time uncertainty, mass, and mass difference variables.
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 a function of only atmospheric pressure.
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