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 |