“长周期地震”的概念、定义、翻译、参考文献-科学参考

单词	长周期地震
释义	长周期地震 Encyclopedia 理学火山地震释 Long period earthquake长周期地震长周期地震比火山构造地震的频率低，通常具有P波，但很少有S波，主频一般小于2赫兹，5赫兹以上的频率成份较少。
随便看	sequence of giants sequence of groups sequence of independent events sequence of intersecting lines sequence of iterations sequence of lattices sequence of levels sequence of likelihood ratios sequence of mappings sequence of natural numbers sequence of numbers sequence of partial sums sequence of points sequence of positive type sequence of quotient groups sequence of random variables sequence of rational numbers sequence of series sequence of sets sequence of signs sequence of statistics sequence of stellar spectra sequence of sub-dwarfs sequence of sub-giants sequence of subsets

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