sector

复数：sectors

1. [C] 部门; 领域 part or branch of a particular area of activity, especially of a country's economy
2. [C] 防御地区,防卫区域 any of the parts of a battle area, or of an area under military control
3. [C] 扇形,扇形面 part of a circle lying between two straight lines drawn from the centre to the circumference

private sector私营部门；私营成分

financial sector财政部门

public sector国营部门经济；政府资助的企事业；社会经济的公有部份

banking sector银行业；银行部门

government sector政府部门

service sector服务部门，服务行业；服务业

manufacturing sector制造业；制造部门

third sector第三部门

economic sector经济部门；经济成份

commercial sector商业部门；商界

boot sector n. 引导扇区；启动磁区

informal sector非正式部门

tertiary sector第三产业（服务业）；第三产业部门

sector gear[机]扇形齿轮，扇形轮

1. perceive superficially
   
2. The government made an investigation of the employment in the public and private sectors.
   政府对国营和私营部门的就业情况作了一次调查。
3. Fashion is one sector of the beauty industry.
   时装是美容行业的一个部分。
4. We must be careful not to confuse a segment and a sector.
   我们必须小心不要把细分市场和部分市场混淆。
5. The enemy attacked in the southern sector.
   敌军对南部地区发起进攻。

1. A sector of a cylindrical capacitor may thus be utilized as an energy filter.
   柱面扇形电容器可作为能量过滤器。
2. Your professional reputation will be in the spotlight as this coming Friday's full moon will light up your honors and recognition sector.
   当即将到来周五的满月照亮你象征荣耀与褒奖的扇形面时，你职业上的名誉将得到瞩目。
3. There are several sectors unusable in this disk.
   这张磁盘有几个扇区坏了。