radial sector

例句：

1. 1. The company's radialsector is expanding rapidly.
   该公司的径向扇区正在迅速扩张。
2. 2. Theradial sector ofthe satellite is responsible for communicationwith Earth.
   卫星的径向扇区负责与地球的通信。
3. 3. Theradial sector of the solar system iswhere the sun resides.
   太阳所在的太阳系径向扇区。