In the structure dynamic performance, nature frequency is a very important parameter, the in-depth analysis on nature frequency is the research base of external prestressing concrete structure.
结构动力特性中，自振频率是反映结构自身特点的重要参数，深入分析体外预应力结构的自由振动频率是研究体外其动力特性的基础。
Through the analysis of this wave equation, we find there exists the skin effect in the superconductor, of which the skin depth is dependent on the wave frequency.
通过对该方程的进一步分析后我们发现，在超导体中不仅存在电磁波动解，而且还存在类似于常规导体的电磁波趋肤效应，其趋肤尺度明显地依赖于电磁波的波动频率。
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