光学字符验证 OCV

符号检验 [统计] Sign test ; sign check

威尔科克森符号秩检验 Wilcoxon signed-rank test ; Wilcoxon's Sign Rank Test

校验字符 [计] Check Character

符号秩检验 signrank ; signed rank test ; wilcoxon matched pair rank test ; Wilcoxon

检验符号 check symbol

符号测验 sign test ; symbol digit modalities test

检验字符 check character

块检验字符 [计] block check character ; bbc

码组校验符号 block check character