“rate of earthquake occurrence”的概念、定义、翻译、参考文献-科学参考

单词	rate of earthquake occurrence
释义	rate of earthquake occurrence Encyclopedia 理学地震发生率释 rate of earthquake occurrence地震发生率某一区域在某段时间内地震发生的次数与时间长度的比值。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。