duplex

duplex
[ˈdjuːplɛks]
noun
  1. something having two parts, in particular
    成对物,成双物,双重物,尤指
    ■a flat on two floors
    复式公寓,占两层楼的公寓套房
    ■(N. Amer.)a residential building divided into two apartments
    (北美)联式房屋,分为两套公寓的住房
    ■(chiefly N. Amer. & Austral.)a semi-detached house
    (主 北美,澳)半独立式房屋
    ■(Biochemistry)a double-stranded polynucleotide molecule
    (生化)双股多(聚)核苷酸分子
adjective
  1. having two parts, in particular
    双的,双重的,尤指
    (of a flat or room) on two floors.
    (公寓或房间)复式的,占两层楼的。
    ■(chiefly N. Amer. & Austral.)(of a house) semi-detached
    (主 北美,澳)(房屋)半独立式的
    ■(of paper or board) having two differently coloured layers or sides
    (纸,卡板纸)双层的,双面的
    ■(Biochemistry)consisting of two polynucleotide strands linked side by side
    (生化)双链体,双螺旋,双股多(聚)核苷酸的
    ■(of a printer or its software) capable of printing on both sides of the paper
    (打印机或其软件)可双面打印的
  2. (of a communications system, computer circuit, etc.) allowing the transmission of two signals simultaneously in opposite directions
    (通信系统或计算机电路等)允许两个信号同时反方向传送的
语源
  1. mid 16th cent. (as an adjective): from Latin duplex, duplic-, from duo 'two' + plicare 'to fold'. The noun dates from the 1920s
英语宝典
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