Bidai比代bidv.（买方）出价；投标；吩咐；叫牌n.出价；努力；叫牌bidirectional frame双向帧bidirectional shunt双向分流bidding requirement招标要求bidimensional image二维影像bid / organising申办或主办bid judging council评标委员会bid-rent function出价租金函数Bid Opening Officer投标开幕式军官bidirectional graph二分图bidirectional lines双向线