astronomical meridian
常見例句
- In order to obtain higher measured accuracy of star's positions by the low-latitude meridian circle, it is needed to measure the astronomical refraction to the stars of different spectral types.
提出在低緯子午環(huán)上，對不同光譜型的天躰測定出天文折射，以提高星位測定的精度。 返回 astronomical meridian