i found this on the internetz over here:
http://ai7.org/wp/html/682.html

i am unable to build the pdf, but html works.

CC: @sagetrac-mvngu amao@ai7.org @vbraun @dimpase

Component: translations

Keywords: tutorial, chinese

Author: Ziyang Mao

Branch/Commit: u/chapoton/9577 @ f03189b

Reviewer: Frédéric Chapoton, Karl-Dieter Crisman

Issue created by migration from https://trac.sagemath.org/ticket/9577