音标：['sektә]
n. 扇形, 部门, 部分, 函数尺, 象限仪, 段, 区段
vt. 把...分成扇形
【计】 扇面; 扇区; 段; 区段
【化】 扇形
【医】 弧三角形, 扇面
【经】 国家经济的部门
在线英汉词典

sector的短语、例句：

sector n 1 part of a circle lying between two straight lines drawn from the centre to the circumference 扇形. => illus at circle 见 circle 插图. 2 part or branch of a particular area of activity, esp of a country´s economy （活动领域的）部门; （尤指）经济领域
the manu`facturing sector, ie all the manufacturing industries of a country 制造业
the `service sector, eg hotels, restaurants, etc 服务性行业. 3 any of the parts of a battle area, or of an area under military control 战区; 防区
an enemy attack in the southern sector 敌军对南部战区的进攻.