| 釋義 |
quadrant /'kwodrant; 'kwadrant/ n 1 fourth part of a circle or its circumference. 象限; 圓或其圓周的四分之一。 → the illus at circle. 參壽 circle 之插圖。 2 graduated strip of meta!, etc shaped like a quarter-circle, for use in measuring angles (of altitude) in astronomy and navigation. 象限儀; 四分儀。 |