知识贝壳
知识贝壳
所属栏目：英汉双解细胞与分子生物学
Adiverse group of Gram-positive bacteria char-acterized by a filamentous,often branchinggrowth form that resembles the mycelium of afungus. They are numerous in the topsoil andare important in soil fertility. Some can causeinfections in animals and humans ......（本文共 477 字 ） [阅读本文] >>