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集群灭绝
释义
集群灭绝
Encyclopedia
理学
古生态学
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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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control red line of water resource development and utilization
control red line of water use efficiency
control register
control resolution
control reversal
control rocket
control rod
control rod assembly
control rod drive mechanism
control-rod guide
control-rod worth
control room for thermal power unit
control scheduling
control screen
controls of circuit breaker
controls of disconnector switch
controls of mineral localization
control software
control source extremely low frequency method
control space
Control standards for soil and water loss on Production and Construction Projects
control standards of pollutants in fly ash for agricultural use
control station
control strategy in wind turbine generator system
control stress for tensioning
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