1. a meridian that passes through the observer's zenith. 
   穿过观测者顶点的子午线。
2. the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body. 
   从观测者所在的子午线到给定天体的子午线沿着天赤道的角距离。
3. The angular distance north or south of the earth's equator, measured in degrees along a meridian, as on a map or globe. 
   纬度地球赤道北或南的角距离，例如在地图或地球仪上沿着子午线用度数测量
4. (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day. 
   （天文学）从天顶交叉口向西顺着天赤道测量的一个角距离；对在一个特定的地点和特定的时间观测者来说是赤经。
5. method of meridian observation 
   中天法

查看更多例句 相关情景会话

• 1. 中天顶距
  meridian transit 中天...meridian zenith distance 中天顶距...meridian 子午
  www.zftrans.com - 相关搜索
• 2. 子午圈天顶距
  激光垂直仪 meridian zenith distance...子午圈天顶距 observed zenith distance...观察天顶距 photographic zenith telescope
  www.ifanyi.cn - 相关搜索
• 3. 激光垂直仪
  水平天顶仪,地平天顶仪 laser zenith meter...激光垂直仪 meridian zenith distance...子午圈天顶距 observed zenith distance
  www.ifanyi.cn - 相关搜索
• 4. 子午距
  中距离比赛项目 meridian distance...子午距 meridian zenith distance...子午圈天顶距 microwave distance measurement
  www.ifanyi.com.cn - 相关搜索