发生区 meaning in Chinese

generating area

The analysis for the evolution of the upper westerly field , north - south wind field show that the upper jet stream is a good indication to sandstorm - occurring areas , the strong sandstorm appears at the right side of the entry domain of the jet stream and the ascension domain of secondary circulation
对高空东西风场、南北风场的演变进行分析，发现高空急流对沙尘暴发生区有很好的指示作用，强沙尘暴位于200hpa高空急流入口区右侧、 500hpa正涡度中心下风方和次级反环流的上升区域内。
On the function study basis of main doublized protection type 11 and type 902 micro computer line protection device , taking permanent single phase fault occuring on power line within protected district as example , the paper analized in detail the acting behavior of type 11 and type 902 computer line protection device
摘要在对构成线路主保护双重化的11型和902型微机线路保护装置功能研究的基础上，以线路发生区内单相永久性接地故障为例，对11型和902型微机线路保护装置动作行为作了详细分析。