oligonucleotide affinity chromatogra-phy核苷酸: ribotide; nucleotide亲和: affinedna亲和层析: dna affinity chromatography亲和层析: affinity chromatography; affnity chromatography亲和层析法: affinity chromatography; affinity chtomatography下载手机词典可随时随地查词查翻译