1·There also exists jet halo above pollution source of heavy metal, therefore it is of significance in environmental research to study the jet halo.
在重金属地质污染源的上方同样也可能形成重金属的射流晕分布，因此研究重金属的射流晕现象在环境研究中有重要意义。
2·Pollution source management is one of important parts of modern environmental management.
污染源管理是现代环境管理中的一个重要组成部分。
3·It solved the problem of longitudinal management of pollution source management software caused by enterprises mergence, recombination and renaming, etc.
解决了因企业合并、重组、更名等因素对污染源管理软件产生的纵向管理困难的问题。
4·This paper mainly introduces the control method of hydraulic system's pollution source and the key of control skill, and provides important reference for actual work in future.
文章介绍了液压系统污染源的控制方法和关键控制技术的应用，可为今后的实际工作提供重要的帮助。
5·But fundamental measure is to strengthen pollution source control, reduce pollutant load and control sewerage total amount.
但根本的措施仍然是加强污染源治理，减少污染负荷，控制排污总量。