下列有关np元素的叙述中正确的是 �根瘤菌和圆褐固氮菌能将n2转化为no 3这属于生物固氮 �np不仅是生物膜系统的重要成分也是 Template




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tomski下列有关np元素的叙述中正确的是 �根瘤菌和圆褐固氮菌能将n2转化为no 3这属于生物固氮 coloring