quadruplex
英 ['kwɒdrʊpleks]
美 [kwɑ'drʊplɛks]
- 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."
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