quadruplex是什么意思
- 英式英标[kwɑ\'drʊplɛks]
- 美式音标[\'kwɒdrʊpleks]
adj. 四重的；四倍的；四重信号的
n. 四路多工系统
英文词源
- quadruplex (adj.)
- 1875, in reference to telegraph systems in which four messages can be wired simultaneously, from quadru- + plex. In classical Latin, quadruplex meant "fourfold, quadruple," as a noun, "a fourfold amount."
