covalently closed circle

网络释义

1.	通常以共价闭合环状微生物遗传学(1)_百度文库 ... (2)抗性因子（ Resistance factor，R (1) 结构通常以共价闭合环状( covalently closed circle， ... wenku.baidu.com
2.	生物都是共价封闭环 covalently是什么意思... ... covalently closed circle ：生物都是共价封闭环 covalently modulated enzymes ：共价调节酶 ... www.showxiu.com