quadruplex
四工
quadruplex
四工的; 四重的; 四倍的; 四路多工的 QUAD
quadruplex
四工
Quad·ru·plex a. Fourfold; folded or doubled twice.
Quadruplex system Electric Telegraph, a system by which four messages, two in each direction, may be sent simultaneously over the wire.
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quadruplex
adj : having four units or components; "quadruple rhythm has four
beats per measure"; "quadruplex wire" [syn: quadruple,
quadruplicate, fourfold]