astronomic造句

1、determination of astronomic longitude
天文经度测定

2、Please do not be panic, because this is a normal astronomic phenomenon on the earth.
遇到日食，请不要惊慌，这只是正常的天文现象。

3、determination of astronomic latitude
天文纬度测定

4、This week there were two big developments in astronomic science.
这周天文学界有两个大的进展。

5、To measure astronomic distances one takes as a unit that distance which light travels in a year.
为了度量天文距离，人们把光在一年中走过的距离当作一个距离单位。

6、determination of astronomic azimuth
天文方位角测定