frequency of cyclone occurrence
frequency of cyclone occurrence
气旋发生频率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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And by comparing the occurrence frequency of explosive cyclone in different regions, times and intensities, some significant results are obtained.
并通过不同区域、不同时间及强度的爆发性气旋发生的频率的对比，得到了一些有意义的结果。
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