| 单词 | duplex |
| 释义 | duplex —duplexity, n. /dooh"pleks, dyooh"-/, n. 1. See duplex apartment. 2. See duplex house. 3. paper or cardboard having different colors, finishes, or stocks on opposite sides. 4. Print. a. a method of reproducing an illustration using two halftone plates, one black and the other in a color. b. a printing press equipped to print both sides of a sheet in one pass. 5. Genetics. a double-stranded region of DNA. adj. 6. having two parts; double; twofold. 7. (of a machine) having two identical working units, operating together or independently, in a single framework or assembly. 8. pertaining to or noting a telecommunications system, as most telephone systems, permitting the simultaneous transmission of two messages in opposite directions over one channel. v.t. 9. to make duplex; make or change into a duplex: Many owners are duplexing their old houses for extra income. [1810-20; < L: twofold, double, equiv. to du(o) TWO + -plex -PLEX] |
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