quadruplex
英 ['kw?dr?pleks]美[kwɑ'dr?pl?ks]
- adj. 四重的；四倍的；四重信號的
- n. 四路多工系統
英文詞源
- 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."