双向: two-way交替: supersede; replace通讯: communication双向交替通信: two way alternate communication; two-way alternate communication双向交替的: two way alternate双向交替工作: two-way alternate operation交替通信: over-over communication双面交替通信: two-way alternate communication双向交换: two-way alternate; two-way exchange双向交流: bilateral exchange; two way communication; two-way exchange双向交谈: two way conversation; way conversation双向交通: two way traffic turn; two-way traffic双向交易: round trip交替通蒸汽-水煤气炉: split run双向交错层理: bimodal crossbedding双向交互作用: two-way interaction双向交换控制: both way switching control双向交流渠道: two-way communication channel双向交流信息: two-way flow of message双向交通模式: two-way traffic通用双向交互: ubi universal bi directional interactive; ubi universal bi directional interactive两向交替交互作用: two-way alternate interaction对向交通, 双向通行: opposing traffic双向交叉抗药性: bidirectional cross resistance双向通讯: two way communication