如图为氮循环示意图下列有关叙述正确的是 A.�过程的生物固定的氮素远多于其他途径固定的氮素 B.进行�过程的生物其基因的编码区是间断的不 Template




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tomski如图为氮循环示意图下列有关叙述正确的是 a.�过程的生物固定的氮素远多于其他途径固定的氮素 b.进行�过程的生物其基因的编码区是间断的不 coloring