城市客车分级技术标准和运营客车等级评定标准等一系列国家宏观政策和法规的出台,直接影响着各类客车市场的供求关系;同时,技术的更新又以市场为导向。 The introduction of a series of national macroeconomic policies and regulations, such as the classification standards of urban passenger cars and the standards for operating passenger cars, has a direct impact on the supply and demand of various passenger car markets. At the same time, technological updates are market-oriented.