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清晰、完备的导向系统,对于引导运动员和观众顺利到达比赛场馆,并在赛事结束之后顺利离场具有重要意义。在科技部的支持下,国家质检总局组织中国标准化研究院开展了基
A clear and complete guidance system is important for guiding athletes and spectators to the venue smoothly and to leave the venue after the event is over. With the support of the Ministry of Science and Technology, AQSIQ organized the China National Institute of Standardization to carry out the foundation