授時曆
shou4shi2li4
Season-Granting Calendrical System
曆議
li4yi4
evaluation
曆經
li4jing1
canon
立成
li4cheng2
pick-up tables
曆草
li4cao3
detailed procedures
又術
you4shu4
another method
盈
ying2
expansion
縮
suo1
contraction
玄奧而難明
xuan2ao4er2nan4ming2
esoteric and challenging
曆官難於考步
li4guan1nan2yu2kao3bu4
calculations
大統曆法通軌
da4tong3li4fa3tong4gui3
General Rules for the Great Concordance Calendrical System
回回曆法
Hui2hui5li4fa3
Chinese-Islamic calendrical system
緯度太陽通徑
wei3du4tai4yang5tong1jing4
Latitude Comprehensive Path of the Sun
緯度 / 纬度
wei3du4
Latitude
崇禎曆書
Chong2zhen1 li4shu1
Books on calendrical astronomy of the Chongzhen reign
天文学家
tiānwénxuéjiā
astronomer
天文学
tiānwénxué
astronomer