V-A[向量-向量轴]耦向  V-A coupling

热通量向量  heat flux vector

向量通量  vector flux

向量向量、矢量  Vector

2纤单向通道保护环  unidirectional path switched ring of SDH

单位平均曲单向量  mean curvature vector

单向量规公差  unilateral gage tolerance

单向通道  one way only channel; OWC One Way Channel; one way channel; one-way channel; Channel; One-way

单向通道保护环  unidirectional path protection ring

单向通道倒换环  Unidirectional Path Switched Ring UPSR; UPSR

单向通径分  one-way path analysis

单向通信  one-way communication; one way communication; OWC One – Way Communication; on-going support; Communication; Oneway

二纤单向通道保护环  two fiber unidirectional path protection ring; two-fiber unidirectional path protection rings

光量子通量单位  quantum unit

光通量单位  nit; Lumen

简单向量距离  vector space method

铰链式单向通海阀  inboard hinging type flood valve

立式单向通路冷凝器  vertical single-pass condenser

流量单向阀  flow check valve