circular sector

• 扇形

circular sector的用法和样例：

例句

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。