【摘要】 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。更多还原

【Abstract】 This is a report of undergraduate students’ vacation activity. Water samples were taken from their homecities along the two rivers, then analyzed in university laboratory. Comparing the present data of water quality with the historical ones, the importance and urgency of envionmental protection and administration, as well as the continuative development are verified.更多还原