主斡管服务面积 area with main services
So it can decrease the engineering cost of downstream storm sewer effectively. ⑦The recommended design parameters of grass swale system were proposed such as soil infiltration rate, service area, maximum of slope, the allowed velocity maximum and so on.
⑦结合国内外应用实例和本试验研究经验,初步取得了浅草沟的设计参数,例如对土壤渗透系数的要求、浅草沟系统的服务面积、最大边坡、最大允许流速等。
参考来源 - 浅草沟系统对城市暴雨径流的控制试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
设计选型时，宜考虑其供氧量、服务面积和安装方式等因素。
In design, we should think of the factors, such as the supply of oxygen, the service area and installation methods.
本文研究地面数字HDTV的频率规划，提出HDTV服务面积的一种近似计算方法。
This paper studies frequency planning of terrestrial digital HDTV and presents an approximate calculating method of HDTV service area.
仅在十几天前，就有74名电力工人被捕——他们在一次因薪资问题而举行的抗议中，对法国电力服务集团ErDF及GrDF位于巴黎的办事处造成了大面积破坏。
Only last week, 74 energy workers were arrested after extensive damage was done to the Paris offices of power services groups ErDF and GrDF during a protest over pay.
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