Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Ricevere il Premium

Create a timeline

Public timelines

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

1 gen 1276 anni - 郭守敬创制简仪

Descrizione:

#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

Aggiunto al nastro di tempo:

人教版高中历史|Chinese students' PEP SENIOR HIGH HISTORY TEXTBOOKS

29 set 2024

4

0

3810

Data:

1 gen 1276 anni

Adesso

~ 750 years ago

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate