下图为某生态系统中能量传递示意图请回答 1流经此生态系统的总能量是 Kj 2从a到b和从b到c的能量传递效率分别为 和 ——青夏 Template




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tomski下图为某生态系统中能量传递示意图请回答 1流经此生态系统的总能量是 kj coloring