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sector

美 [ˈsektər]
英 [ˈsektə(r)]
  • n.行业;扇形;(尤指军事管制的)区域
  • 网络扇区;部门;磁区
复数:sectors  
sector
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n.
1.
(尤指一国经济的)部门,领域,行业a part of an area of activity, especially of a country's economy
the manufacturing sector
制造业
service-sector jobs(= in hotels, restaurants, etc.)
服务性行业的工作
2.
(尤指军事管制的)区域,地带a part of a particular area, especially an area under military control
each sector of the war zone
战区的每个军控地段
3.
扇形a part of a circle lying between two straight lines drawn from the centre to the edge

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