| 释义 |
sector /'sekta(r); 'sckt/ n [Cj 1 part of a circle lying between two straight lines drawn from the centre to the circumference. (数学)届形。 → the illus at circle, 参看 circle 之插图。 2 one of the areas into which a battle area is divided for the purpose of controlling operations, (为了指挥作战而割分之)战区; 防区 “ 3 branch (of industry, etc): (工枭等的)标门： the public and private ~s of industry, those parts publicly owned and those privately owned. 国有工业和私有工业。 |