双向有理等价  birational equivalence

非正则双有理变换  irregular birational transformation

光纤双向应变位移传感器  fiber-optic bi-directional strain-displacement sensor

光纤双向应变-位移传感器  Fiber-optic strain-displacement sensor

双向对称式宽带网络  time-division-shared digital subscriber line

双向对称式宽频网络,分时式回路传输  Time-Division-Shared Digital Subscriber Line (TDSL

双向对传网络  adaptive counter-propagation network (CPN

双向对单向连接器  duplex-to-simplex connector; connector; duplex-to-simplex

双向对等奇异粗集  Both-direction-equipotent S-rough sets

双向对话  bidirectional dialog; the two-way dialogue

双向对接曝光  bidirectional butt joint exposure method

双向理解  mutual comprehension

双向双步长  Bi-direction bi-step

双向双从蹄式制动器  dual two trailing shoe brake

双向双工冗余  biduplexed redundancy; BDR

双向双领蹄式制动器  dual two leading shoe brake

双向双偏注入  Double crossed directions

双向双套冗余  BDR Bi – Duplexed Redundancy; BDR Bi C Duplexed Redundancy

双向双通道变通径挤压  dual-directional extrusion