“mass extinction”的概念、定义、翻译、参考文献-科学参考

单词	mass extinction
释义	mass extinction 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。 Astronomy mass extinction质量消散
随便看	master of urban planning master of valuation master of veterinary medicine master oscillator master oscillator power-amplifier master oscillator power amplifier laser diode master output tape Master Ouyi Masterpiece of Chinese Character Standard (Taiwan Region of China) master plan master Plan for Overseas Chinese Town master planned community master planning of civil airport Master Planning of Urban Underground Space masterplan of city-circling greenbelt in Shanghai Master Plan of Shijiazhuang City（1955-1975） master pulse master routine master sample master's degree Master Shantang's Investigative Guide to the Numerous Books master-slave computer master slave manipulator master-slave manipulator master-slave manipulator; remote manipulator

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