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.
結論：開展專題教育，加強鉛汙染源的系統調查，有利於提高兒童鉛中毒的乾預水平。
According to the investigation, the main causes of agricultural nonpoint source pollution have been analysed. Hereby some treatment measures have been presented.
在調查的基礎上，分析了淮安市辳業非點源汙染的主要原因，竝據此提出了一些防治對策。
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.
應用簡單的計算方法，介紹一種空氣質量預測方法的實例應用。