五月一日在北京展览馆举办了’97中国国际汽车环保技术展览暨机动车污染控制技术国际研讨会、可以说对每一位为此次展览会而工作的人们来说，度过了一个非常有意义的假日，使参观者也受到了深刻的教育。同时表明中国已开始重视及治理汽车排放对城下的污染和大气环境造成的影响 May 1 at the Beijing Exhibition Center held ’97 China International Automotive Environmental Technology Exhibition and Motor Vehicle Pollution Control Technology International Symposium, it can be said for every one who works for the exhibition, spent a Very meaningful holiday, so that visitors have also been deeply educated. At the same time, it shows that China has begun to attach importance to and control the impact of automobile emissions on urban pollution and the atmospheric environment