sector是什么意思及用法

Question

如题所述

Answer 1

部分, 部, 段, 截面, 章节, 部门
rrange orange sections on a platter.
She began to section the grapefruit.

扇形、扇形面、扇形片
The belt of southern sectors from Sectors 31 to 49 and Sectors 20, 21, 22 and 23 were affected.
He also learned on his own how to use a compass, sector , and other instruments to make astronomical predictions, including that of eclipses