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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

ByGUZI
hace 8 meses atrás
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fecha:

1 ene 1276 año
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~ 749 years ago
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