doubledeckn.双层结构adj.双层的doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double yellow line双黄线Double PCR- SSCP双重PCR-SSCPdouble-source CT双源CTdouble-skin roof双层屋顶double-reduction双重减速double gas circuit双通道double french horn圆号double innervation双重神经支配double - counter双计数器double season rice双季水稻