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孑遗
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孑遗
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孑遗
曾经分布广泛或比较广泛,且数量和种类均很多,但随着时间推移逐渐衰退,或在重大事件特别是灭绝事件打击之后遭受重创,只有少数个体和种类孤独地生存于个别地区,并有日趋灭绝之势的生物。生物宏演化进程中的分类单元型式。
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feed industry
feeding
feeding and slaughtering method
feeding behaviour
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feeding eco-physiology of filter feeding bivalves
feeding end efficiency
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Feeding Practices of Domestic Animals in Ancient Times
feeding rate
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feeding standard
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feeding variation of fish
feeding water pipe of boiler
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