Armillary相关论文
Chinese astronomy reached its pinnacle in the Song Dynasty(960-1279)as culture continued to prosper to a new height.The ......
玲珑仪是元代文学家郭守敬为测定《授时历》所需基本天文数据而研制并使用的一台仪器.因为没有实物遗存传世,相关记录又比较少,中外学......