 |
| 我的日历 |
| |
|
| 分类日志 |
| |
|
| 友情链接 |
|
|
| 最新评论 |
|
|
| 搜索日志 |
|
|
| 访问计数 |
|
|
| 获取 RSS |
| |
 | |
| |
地面点坐标[Topocentric Coordinates] [2005-8-21] iamet 发表在 ¤〖天文〗
| | Astronomical coordinates which use the observer's location as the center of the coordinate system, for example, altitude-azimuth coordinates. | 学好数理化,走遍天下都不怕! | |
|
|