球座標系 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "球座標系" in Chinese language version.

refsWebsite

Global rank Chinese rank

513^th place

358^th place

2web.archive.org

1^st place

1^st place

web.archive.org (Global: 1^st place; Chinese: 1^st place)

the angular coordinate, often called the polar angle （页面存档备份，存于互联网档案馆）.
Eric W. Weisstein. Spherical Coordinates. MathWorld. 2005-10-26 [2010-01-15]. （原始内容存档于2018-06-23）.

wolfram.com (Global: 513^th place; Chinese: 358^th place)

mathworld.wolfram.com

the angular coordinate, often called the polar angle （页面存档备份，存于互联网档案馆）.
Eric W. Weisstein. Spherical Coordinates. MathWorld. 2005-10-26 [2010-01-15]. （原始内容存档于2018-06-23）.