短語詞組短語travel service demand 旅遊者需求travel market demand 旅遊市場需求travel information demand 旅遊信息需求extensivel travel demand 漫遊需求travel demand model 交通需求模型travel demand assessment 交通需求評估Evacuation Travel Demand 應(yīng)急交通需求travel demand forecast model 交通需求預(yù)測模型characteristics of travel demand 出行需求特性 返回 travel demand