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集群灭绝
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集群灭绝
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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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organic photoconductor material
organic photodetector
organic photoelectric material
organic photoreceptor
organic photosensitive material
organic phototransistor
organic photovoltaic
organic pigment
organic pollutant of aquatic product
organic pollutants degrading microorganism
organic polymer
organic polymer flocculant
organic polymer sensor
organic/polymer solar cell
organic polymolecular transducer
organic precipitant
Organic Rankine Cycle
organic Rankine cycle for waste heat recovery
organic reaction
organic reaction mechanism
organic reagent
organic receptor material
organic renewal
organic resistive random-access memory
organic ring oscillator
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