| 释义 |
quadrant /'kwodrant; 'kwadrant/ n 1 fourth part of a circle or its circumference. 象限; 圆或其圆周的四分之一。 → the illus at circle. 参寿 circle 之插图。 2 graduated strip of meta!, etc shaped like a quarter-circle, for use in measuring angles (of altitude) in astronomy and navigation. 象限仪; 四分仪。 |