多变量符号秩检定 signed rank sum test: 符号秩和检验signed rank test: 符号秩和检验; 符号秩检验; 有正负号排序检验wilcoxon signed rank test: 威氏符号秩次检验wilcoxon matched pairs signed rank test: 威氏配对符号秩次检验signed rank: 符号秩下载手机词典可随时随地查词查翻译