single stranded DNA 单链DNA...double-stranded DNA 双链DNA...stranded galvanized steel wire 镀锌钢绞线...single stranded RNA 单链RNA...double stranded helix 双螺旋;双股螺旋...stranded cable 绞缆...concentric stranded wire 同心绞线...double-stranded RNA 双链RNA...stranded steel wire 钢绞线...stranded a.处于困境的,进退两难的...stranded wire 单股钢丝绳;单股钢丝绳钢绞线...
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