资源的合理使用是使产量最大化又不影响资源的持久利用自然种群增长�“s 型曲线假设种群的最大值k=200n表示种群数量水平根据下表 Template




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tomski资源的合理使用是使产量最大化又不影响资源的持久利用自然种群增长�“s 型曲线假设种群的最大值k=200n表示种群数量水平根据下表 coloring