搜索结果: 1-1 共查到“天体测量学 difficulty”相关记录1条 . 查询时间(0.062 秒)
New method may resolve difficulty in measuring universe's expansion(图)
New method difficulty measuring universe
2019/10/23
Astronomers using National Science Foundation radio telescopes have demonstrated how a combination of gravitational-wave and radio observations, along with theoretical modeling, can turn the mergers o...