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.
数值计算结果表明，杂质结合能不仅依赖于电子有效质量和材料的静态介电常数，而且对没有外加势场时量子阱中电子几率密度的空间分布也很敏感。
The numerical results show that the binding energy depends on not only the effective mass and dielectric constant but also the spatial distribution of the electron probability density.
高密度弹性波CT检测防渗墙质量可反映墙体介质分布的均匀性，但目前软件只能满足一般性数据处理；
The high-density elastic wave CT detecting technique can reflect the homogeneity of wall materials, but the existing software can only be used to process the common data.
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。
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.
生态环境质量较差的乡镇分布在沿江地区，主要存在人口密度大、覆盖率较低、降雨相对不足、水土流失严重等问题。
Whereas, towns with worse eco environmental quality were mainly located on bo th sides of Yangtze River with lower vegetation coverage, large population, insufficient rainfall and soil erosion.
从颗粒运动的PDF(概率密度分布函数)输运方程出发建立颗粒相的质量、动量和脉动速度二阶矩方程。
Equations of mass, momentum and second moments for particulate phase are derived from a particle PDF (probability distribution function) equation in dilute turbulent sediment-laden flows.
提出了粉末分布密度这一新概念，即同步送粉激光熔覆时基体单位面积上分布的覆层粉末质量。
A new conception, average powder density defined as the powder quantity clad on unit area of substrate surface has been put for ward.
结果表明，衬底处的温度分布和质量流密度的计算值与实测值相吻合。
The calculated results about the temperature and the mass flow density on the substrate are consistent with experimented ones.
结果表明，死区大小对骨密度分布的影响比单位质量参考应变能密度的影响要小；
This study has demonstrated that consideration of the lazy zone is less important than consideration of the SED induced within the bone.
结果表明，死区大小对骨密度分布的影响比单位质量参考应变能密度的影响要小；
This study has demonstrated that consideration of the lazy zone is less important than consideration of the SED induced within the bone.
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