circular sector的用法和樣例：
例句
- A sector of a cylindrical capacitor may thus be utilized as an energy filter.
柱面扇形電容器可作為能量過(guò)濾器。 - Your professional reputation will be in the spotlight as this coming Friday's full moon will light up your honors and recognition sector.
當即將到來(lái)周五的滿(mǎn)月照亮你象征榮耀與褒獎的扇形面時(shí)，你職業(yè)上的名譽(yù)將得到矚目。
