investigation of pollution source

基本解释

Conclusion:To improve intervention level, education of special topic and investigation of lead pollution source needs enhancing.
结论：开展专题教育，加强铅污染源的系统调查，有利于提高儿童铅中毒的干预水平。
According to the investigation, the main causes of agricultural nonpoint source pollution have been analysed. Hereby some treatment measures have been presented.
在调查的基础上，分析了淮安市农业非点源污染的主要原因，并据此提出了一些防治对策。
This paper uses simple calculating method to introduce practical application of a method in air quality forecast by means of investigation and collection of facts of a air pollution source.
应用简单的计算方法，介绍一种空气质量预测方法的实例应用。