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种群平衡
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种群平衡
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理学
种群平衡
释
population equilibrium
种群平衡
种群数量在达到平衡水平或环境容纳量后,种群死亡率和出生率相等,种群数量围绕平衡点作较小幅度的波动,并长期维持在几乎同一水平上的现象。又称种群均衡。
Biology
population equilibrium
种群平衡
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temperate arid-semiarid climate
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temperate steppe
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temperate zone
temperate zone in China
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