| 释义 |
lon·gi·tude AHD[lŏnʹjĭ-to͞od', -tyo͞od', lônʹ-] D.J.[ˈlɒndʒɪˌtuːd, -ˌtjuːd, ˈlɔːn-]K.K.[ˈlɑndʒɪˌtud, -ˌtjud, ˈlɔn-]n.（名词）abbr. long.【缩写】  longitude- Angular distance on the earth's surface, measured east or west from the prime meridian at Greenwich, England, to the meridian passing through a position, expressed in degrees (or hours), minutes, and seconds.经线：地球表面的成角距离，从英国格林尼治的本初子午线向东或向西至经过某一点的子午线计量，以度（或小时）、分和秒表示
- Celestial longitude.黄经
- Middle English [length, a measured length] 中古英语 [长度，一般测得的长度]
- from Old French 源自 古法语
- from Latin longitūdō longitūdin- 源自 拉丁语 longitūdō longitūdin-
- from longus [long] * see del- 1源自 longus [长的] * 参见 del- 1
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