Bidai比代bidv.（买方）出价；投标；吩咐；叫牌n.出价；努力；叫牌bid for a project投标bidding professor评标专家bidding appraisal评标bidirectional PCA双方向PCABidwell experiment比德韦尔[色觉]实验bidirectional slab双向板bidirectional line双向线路bidding management招标管理bidding evaluation评标bidirectional gate双向门