%0 Journal Article
%T 平面极坐标几何方程的另一种推导法
%A 杨庆凡
%J 力学与实践
%D 1982
%I 
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=5D344E2AD54D14F8&jid=0BF5C9FB031A532ED0A6D99DC4F6181A&aid=9DD1D892EA5C313B8AA9D6A61CEFFB03&yid=3F3D540C9B7906DE&vid=E158A972A605785F&iid=38B194292C032A66&journal_id=1000-0879&journal_name=力学与实践&referenced_num=0&reference_num=0