现有食物链abc分别代表三个不同的种群.若c同化的总能量为a其中由�过程供能的比例为x则按照最低传递效率计算需要a的总能量y与x的 Template




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tomski现有食物链abc分别代表三个不同的种群.若c同化的总能量为a其中由�过程供能的比例为x则按照最低传递效率计算需要a的总能量y与x的 coloring