知識貝殼
知識貝殼
所屬欄目：英漢雙解生物學
Agroup of bacteria characterized by a mycelialfungus-like growth habit and belonging to thephylum Actinobacteria. They are numerousin the topsoil and are important in soil fertili-ty. Some may cause infections in animals andhumans. Most of the antibiotics ......（本文共 398 字 ） [閱讀本文] >>