Based on a detailed analysis of error source, some measures for increase of observation accuracy have been suggested.

并较详细地分析了误差来源，提出一些提高观测精度的措施。

youdao

Based on a detailed analysis of error source, some measures for increase of observation accuracy have been suggested.

并较详细地分析了误差来源，提出一些提高观测精度的措施。

youdao