The discrete ordinate approximation method of three dimensional radiative transfer equation in absorbing scattering medium is expounded.
阐述了含吸收散射性介质三维空腔内辐射传递方程的离散坐标解法。
According to the complex geological phenomena in rock and soil medium and the features of strata, a three dimensional strata model is established.
根据岩土介质中复杂的地质现象及其地层的层状展铺特性，建立了三维地层模型。
A line drawing is an important medium that human exchanges information of three-dimensional scenes with computer.
立体线框图是人与计算机交换三维景物信息的一种重要媒介。
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