mass distribution density的意思|示意

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。

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.

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 distribution of bio-mass and density is extremely uneven, but both of high biomass and high density were basically similar, in the area northen to Changjiang River estuary.

生物量和栖息密度的分布极不均匀，高生物量和高栖息密度的分布趋势基本相似，两者都在调查区的北部。

During the statistical process of density, the probability density distribution of the rock mass structural plane in sample space is assumed as normal distribution.

在密度统计过程中，把岩体结构面样本在空间上的概率密度分布假设成正态分布。

The gravity field out of the earth depends on the interior mass density distribution of the earth.

地球外部重力场是由地球内部物质分布决定的。

Undisturbed earths gravity field under the status of hydrostatic equilibrium is parallel gravity field, and its distribution of mass density is spherically Symmetric.

无扰动的流体静力平衡状态下的地球重力场是平行重力场。