One of a group of nonen-veloped viruses that contain a linear segmentof double-stranded DNA.They are about80 nm in diameter,and cause respiratorydiseases in humans and other animals.无包壳的病毒的一种,含有一段线状双链DNA。其直径约80 nm,可引起人类和其他动物的呼吸系统......(本文共 206 字) [阅读本文] >>