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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
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1 ene 1276 año - 郭守敬创制简仪
Descripción:
#1276
简仪是【元朝】科学家郭守敬革新浑仪，将其结构简化，精度提高，创造出的当时世界上先进的天文观测仪器
~设计和监制多种天文观测仪器
Añadido al timeline:
人教版高中历史|Chinese students' PEP SENIOR HIGH HISTORY TEXTBOOKS
By
GUZI
29 sep 2024
4
0
3810
fecha:
1 ene 1276 año
Ahora mismo
~ 750 years ago
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