五运六气的天学基础

[Image][Image]

[Image]

五运六气的

天学基础

[Image]

[Image][Image]

[Image]

[Image][Image]年首与岁首

[Image]图1  立杆测影图:古人立杆为表,用土圭做尺,测量夏至时日影的长度。图片出自《钦定书经图说...

(0)

相关推荐