In track simulation, the corresponding earth equivalent radius of a track in a specific range is approximate to the earth curvature radius of the latitudinal location of the target.
介绍了在航迹模拟中，一条航迹在一定范围内对应的地球等效半径，可以近似为目标所在的纬度的地球曲率半径。
The results of equivalent circuit method and finite element simulation show that the structure exhibits obvious left-handed behavior in a specific frequency range.
等效电路与有限元仿真的结果均表明这种结构在特定的频段表现出明显的异向特性。
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