单: singular number fate; destin ...链: chain交换: exchange; swap; interchange; ...链交换: strand exchangedna链交换: dna strand exchange缩醛链交换作用: exchange of acetal linkage单链: single chain; single strand; single-stranded dna分支移位[一般性重组中链交换的过程之一: branch migration单链,单链,单股: single strandrna单链: rna single strand单链dna: single stranded dna; single-strand dna; ssdna单链rna: single stranded rna; single-stranded rna; ssrna单链表: single linked list; singly linked list单链的: one stranded; single stranded单链环: single-stranded loop单链泡: single-strand bubble简单链: simple chain抗单链: dna单链dna病毒: single strand dna virus; single-stranded dna viruses单链dna簿: single strand dna virus; single-stranded dna viruses单链fv抗体: single-chain fv antibody单链rna,单股rna: single-stranded rna单链rna病毒: single strand rna virus; single-stranded rna viruses单链rna簿: single strand rna virus; single-stranded rna viruses单链虫属: hormosinia