“集群灭绝”的概念、定义、翻译、参考文献-科学参考

单词	集群灭绝
释义	集群灭绝 Encyclopedia 理学古生态学释 mass extinction集群灭绝在一个相对短暂的地质时期内（通常不足100万年）及一个较广的地理范围内（通常是一个以上的地理大区），整个生态系统的多样性和个体数量出现突然的、异常的、大幅度的下降，甚至是遭受毁灭性的打击。
随便看	The Blind Leading the Blind The Blind Musician The Blithedale Romance The Blood Brothers The Blood-Stained Sword the Blowing Terrace in Kaifeng The Blue Annals The blue banana zone The Blue Bird The Blue Dragon Awards The Blue Mouse and the Big Faced Cat the blue print design of map publication arts and crafts The Blues The Board of Arts Organization the Boasian School the bodhi tree in the Forbidden City The Bodleian Library the Bohai fishing ground the Bohai Sea circulation The Bold Soprano The Book about Textual Criticism The Book Collection of Acupuncture and Moxibustion The book for Famine Relief and People live The Book of Caraka The Book of Epiphanies

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。