释义 |
经度jīngdù地球表面东西距离的度数,以本初子午线为0°,以东为东经,以西为西经,东西各180°。通过某地的经线与本初子午线相距的度数,就是该地的经度。{longitude; angular distance east or west from the prime meridian measured in degrees, to the east of which is called the east longitude (180°), and to the west, the west longitude (180°). The longitude of a place is derived from the angular distance between its line of longitude and the prime meridian.}参看see【经线】{jīngxiàn}。 |