heterogeneous medium

基本解释

For complex heterogeneous medium, the distribution and characteristics of its heterogeneity can be studied by seismic scattering wave.
对于复杂非均匀介质，可以利用地震散射波来研究其分布和性质。
In my opinion, the essential elements of woodcut concern four aspects: communication and transmission, media and recording, perspective and concept, time and heterogeneous medium.
我以为木版画的必要元素是：交流与传播、记录与媒介、角度与观念、时间与异质。
According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.
根据非均匀各向异性地层的非稳定的地下水流动模型，采用有限差分法求解，可以定量判断油气运移的方向及强度。