他计算出一年应该是365.24281481天，并创造了《大明历》。

He worked out that a year should be 365.24281481 days long and created the Daming Calendar.

youdao

他计算出一年应该是365.24281481天，并创造了《大明历》。

He worked out that a year should be 365.24281481 days long and created the Daming Calendar.

youdao