joint characteristic function连接: connect; fit together; link; ...特征: characteristic; trait; featu ...函数: function点特征函数: point characteristic function拟特征函数: quasi-characteristic function下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:连接特征函数，即可在微信中查询翻译
