报道家住长江、黄河沿江城镇的大学生在假期中对采集的水样进行分析 ,并将结果与积累资料作了比较 ,从而验证和认识了环境防治及可持续发展的重要性与紧迫性。 It is reported that college students living in the Yangtze River and the cities and towns along the Yellow River during the holidays analyze the collected water samples and compare the results with the accumulated data so as to verify and recognize the importance and urgency of environmental prevention and sustainable development.