您要查找的是不是：
- 共价闭环DNA covalently closed circular DNA
- 共价闭环 DNA covalently closed circular DNA; cccDNA
- 共价闭环状DNA covalently closed circular DNA(CCC DNA)
- 共价闭环(状)DNA covalent closed circular DNA(cccDNA)
- 共价闭环解旋DNA covalent closed relaxed DNA
- 共价闭环ＤＮＡ covalently closed circular DNA
- 共价闭环脱氧核糖核酸 covalently closed circular DNA
- 共价 covalence
- 共用电子对数，共价一个原子与其他原子共用的电子的对数 The number of electron pairs an atom can share with other atoms.
- 正常共价 normal covalency
- 共价半径 covalent radius
- 共价性 covalence
- 双共价 double covalence
- 共价的 covalent
- 共价晶 covalent crystal
- 共价式 covalent formula
- 共价型 intervalencetype
- 共价力 covalent force
- 共用电子对数，共价一个原子与其他原子共用的电子的对数。 The number of electron pairs an atom can share with other atoms.
- 共价化合 covalent combination
