Smart grid describes a more efficient, less costly method of moving electricity along long-distance transmission lines to local power lines and end-users in homes and businesses.

智能电网用效率更高、成本更低的传输方法——长距离地将电能传输到地方输电线、家庭和企业的终端用户。

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A new technique named local aperture grid optimization arithmetic was presented to improve the efficiency of the classical method.

为改善计算效率，提出了一种局部口面网格优化算法对射线追踪法进行改进。

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In this paper, a composite grid method (CGM) for finite element (FE) analysis of an electromagnetic field with strong local interest is proposed.

本文描述了对有需要着重分析的局部区域的电磁场进行有限元分析的复合网格法。

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