双链的英文

• double strand
  ◇双链绞结 elbow in haws; 双链聚合物 double-chain polymer; 双链霉素 streptoducin

• 双:    two; twin; both; dual
• 链:    chain
• 当双链:    r davis
• 孤双链:    independent double bonds; independent double linkages
• 抗双链:    dna

例句与用法

1. The base line can be set out as a single or double chain .
   基线可作为一条单链系或双链系。
2. The holoenzyme recognizes specific nucleotide sequences on the dna duplex(promoters) .
   全酶还能识别DNA双链分子上的特定核苷酸序列（起动基因）。
3. Amphiboles are related to the pyroxenes, forming double chains, again being held together by cations .
   角闪石类与辉石类有关，构成双链，也是被阳离子联系在一起的。
4. Plasmids are exta-chromosomal doublestranded, circular dna molecules found in prokaryotic and eukaryotic cells .
   质粒是在原核和真核细胞中发现的染色体外的双链环状DNA分子。
5. Scraper bars for the twin outboard chain conveyors
   边双链刮板输送机用刮板