名词 sector:

1. a plane figure bounded by two radii and the included arc of a circle

2. a social group that forms part of the society or the economy

3. a particular aspect of life or activity

4. the minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes

5. a portion of a military position

6. measuring instrument consisting of two graduated arms hinged at one end

sectorn.部门；部分；区域n.[计]扇形；扇区vt.使分成部分sector map扇区分配图sector cell扇形蜂窝小区sector weir弧形堰sector hole扇区孔,段孔sector mode区段方式sector loan部分贷款sector boss地段队长sector flag投掷器械落地区标志旗sector wind扇形风sector scan扇形扫描

1. There are several sectors unusable in this disk.
   这张磁盘有几个扇区坏了。
2. In particular, the defect list can contain a list of sectors determined to be defective.
   尤其是，缺陷表可以包含一系列被确定为有缺陷的扇区。