“PREM travel-time table”的概念、定义、翻译、参考文献-科学参考

单词	PREM travel-time table
释义	PREM travel-time table Encyclopedia 理学地震走时表释 PREM travel-time tablePREM走时表 1981年多依旺斯基（Dziewonski）和安德森（Anderson）提出了初步参考地球模型（Preliminary Reference Earth Model，简称PREM模型），据此模型计算的各种震相的走时表称为PREM走时表。
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