boundary characteristic line的意思|示意

This paper is the second part, which presents the characteristic of reflection and refraction coefficient spectrum at line boundary.

本文是第二部分，主要探讨了两类母线的接线情况下，线路边界的折、反射系数的频谱特征。

The characteristic line must be cut down to deal with the nodes near the boundary.

在处理邻近边界的网格点时将特征线截断。

According to the characteristic of the overhead power line, the image boundary elements are putted in the position under ground to consider the effect of the earth.

根据架空输电线的特点，在二维边界元方程中用镜像单元考虑了大地的影响。