您要查找的是不是：
- 共价闭合松驰DNAcovalent closed relaxed DNA
- 共价闭合环DNAcovalently closed circular DNA(CCC DNA)
- 共价闭合环状DNAccc DNA; covalent closed circular DNA; covalently closed circular DNA
- 共价闭合松弛DNAcovalently close relaxed DNA
- 共价闭合松弛DNA covalently colsed relaxed DNA
- 共价闭合环(状)DNAcovalent closed circular DNA(cccDNA)
- 闭合close
- 厂价mill price
- DNA松驰酶DNA-relaxing enzyme
- 不共戴天an irreconcilable enemy
- 六价铬hexavalent chrome
- 中间价middle price
- 按价ad valorem
- 包价tender sum
- 共价covalence
- 闭合环路DNAclosed circular DNA
- 共表达DNA疫苗Co-expressing DNA vaccine
- 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.
- 双价DNA疫苗Bivalent DNA vaccine
- 正常共价normal covalency
