“background extinction”的概念、定义、翻译、参考文献-科学参考

单词	background extinction
释义	background extinction Encyclopedia 理学古生态学释 background extinction背景灭绝生物在其自身演化发展过程中，正常条件下发生的灭绝。又称正常灭绝。理学背景灭绝释 background extinction；normal extinction背景灭绝地质历程中生物由于自身的原因在正常环境状况下的完全灭亡的现象。又称正常灭绝。
随便看	single level cell single-level cell single level cell, SLC single-level standardization problem single line single-lined binary single line diagram for hydropower station single-lined spectroscopic binary single-line operation single line propagation single linkage single linked list single liquid quenching single-loop approximation single loop control single loop control system single-loop diagram approximation single loop regulator single loop servo system single-loop-type galvanometer single-machine problem single machine scheduling single main diagram single metallocene single mineral preparation

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