A.社會經(jīng)濟(jì)調(diào)查B.客流調(diào)查C.經(jīng)濟(jì)分析D.客流分析
A.亂走路B.亂講話C.亂吐痰D.亂設(shè)攤
A.短期客流預(yù)測B.中期客流預(yù)測C.新線開通預(yù)測D.遠(yuǎn)期客流預(yù)測