短語(yǔ)詞組短語(yǔ)travel service demand 旅游者需求travel market demand 旅游市場(chǎng)需求travel information demand 旅游信息需求extensivel travel demand 漫游需求travel demand model 交通需求模型travel demand assessment 交通需求評(píng)估Evacuation Travel Demand 應(yīng)急交通需求travel demand forecast model 交通需求預(yù)測(cè)模型characteristics of travel demand 出行需求特性 返回 travel demand