| 释义 |
sector/ˈsektə/n. 1 a distinct part or branch of an enterprise, or of society, the economy, etc. (企业、社会、经济等的)部门 2 Mil. a subdivision of an area for military operations, controlled by one commander or headquarters 【军】分区，防区 3 the plane figure enclosed by two radii of a circle, ellipse, etc., and the arc between them 扇形；扇形面 4 a mathematical instrument consisting of two arms hinged at one end and marked with sines, tangents, etc., for making diagrams etc. 两脚规；象限仪(数学仪器，用于作图等) □ sectoral adj.[Late Latin, technical use of Latin sector ‘cutter’ (as SECTION)] |