It shows in theory that the frequency domain sounding in near zone of the line current source is possible.
通过对计算结果的分析，在理论上说明了线源频率域近区测深的可行性。
Based on the theory of acoustics, this paper analyzes the character of geometrical spreading loss of finite line sound source on three types of directivity-monopole, intermediate pole and dipole.
根据基本声学理论，分析具有单极子、中间和偶极子三种指向性的有限长线声源的几何发散损失特性。
A diffusion theory model induced by a line source distribution is presented for oblique-incidence reflectometry.
本文提出一种采用线光源分布的扩散理论模型用于斜入射反射测量。
A mathematical model for simulation of ground source heat pump system is built based on line heat source theory.
本文中的模型可以对土壤源热泵系统的设计方案进行经济性评估，以便设计人员选取经济性较好的方案。
A mathematical model for simulation of ground source heat pump system is built based on line heat source theory.
本文中的模型可以对土壤源热泵系统的设计方案进行经济性评估，以便设计人员选取经济性较好的方案。
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