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quadruplex/
'kwɑdrυ.plεks
'kwɔdrupleks
/
1.adjective
四倍的，四重的
2.adjective
四重[四倍]的
3.adjective [Communication] [American English]
四（路多）工的，（同一线路中）四重信号的
4.adjective
(同一线路中)四重信号的