?字UNICODE编码U+28BA2,10进制: 166818,UTF-32: 00028BA2,UTF-8: F0 A8 AE A2。(zi.Ttcx.nET)
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。by zI.tTCX.Net