1817, "composed of two parts," from Latin duplex, from duo "two" (see two) + -plex, from Greek plax (genitive plakos) "flat surface." The noun sense of "house for two families; two-story apartment" is American English, 1922.
实用例句
1. The holoenzyme recognizes specific nucleotide sequences on the DNA duplex ( promoters ).
全酶还能识别DNA双链分子上的特定核苷酸序列 ( 起动基因 ).
来自辞典例句
2. In addition the duplex system , antenna and feeder line are discussed.
另外对系统的双工体制及天馈线也进行了分析和讨论.
来自互联网
3. A full - duplex, synchronous communications protocol used in airline reservations systems.
一种全双工同步通信协议,用于航空公司定票系统.
来自互联网
4. In half duplex mode the transmission is looped back to receive.
在半双工模式下,该传输会环回以进行接收.
来自互联网
5. Meanwhile, an audio circuit board is made to realize full duplex communication.
