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极小种群野生动物
释义
极小种群野生动物
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极小种群野生动物
释
wildlife with extremely small population
极小种群野生动物
因外部原因、自身原因或对生境的苛求,分布区域狭窄或呈间断分布,长期受到外界因素胁迫干扰,种群退化,个体数量持续减少,已低于稳定存活界限,并随时面临灭绝的野生动物物种。
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expandor
expansibility
expansin
expansion
expansion age
expansion alloys
expansionary monetary policy
expansion cloud chamber
expansion coefficient
expansion coefficient of viscosity
expansion factor
expansion-free
expansion-gear
expansion in a continued fraction
expansion in an infinite product
expansion in an orthogonal series
expansion in a power series
expansion in a series
expansion in partial fractions
expansion in series
expansion in terms of eigenfunctions
expansion joint
expansion joint of bridge deck
expansion joints
expansion lag
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