Liang was a palace scholar in Kaiyuan era, Tang Dynasty. He has invented the armillary sphere in cooperation with bonze Yixing. He was both a scholar and an artist.
2
本文介绍了一千二百多年前,由唐代天文学家张遂(僧一行)所组织进行的一次天文大地测量工作。
An astronomical geodetic survey was organized by Zhang Sui (LHsing), the Tang Dynasty astronomer, more than 1200 years ago.