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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。
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secondary group
secondary growth
secondary hardening
secondary harmonic generation
secondary hemochromatosis
secondary hemolytic anemia
secondary hydrocarbon generation
secondary hyperaldosteronism
secondary hypertension
secondary ideal
secondary image
secondary immune response
secondary immunocompromise
secondary immunodeficiency disease
secondary industry
secondary industry map
secondary infection
secondary information
secondary instability
secondary interference
secondary ion
secondary ionization
secondary ion mass spectrometry
secondary ion mass spectrometry (SIMS)
secondary ion mass spectrometry, SIMS
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