?字UNICODE编码U+20002,10进制: 131074,UTF-32: 00020002,UTF-8: F0 A0 80 82。(Zi.Ttcx.Net)
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。(ZI.tTcx.nET)