短語詞組短語dynamic route guidance system drgs 動態(tài)路徑誘導系統(tǒng)Distributed Dynamic Route guidance system 誘導系統(tǒng);分布式動態(tài)路徑誘導系統(tǒng)Centrally Dynamic Route Guidance System 誘導系統(tǒng) 返回 dynamic route guidance system