e:\home\pl>perl b1.pl
perl b1.pl
&#20013;&#25991;
"\x{0590}" does not map to cp936.
"\x{0384}" does not map to cp936.
\x{0590}\x{0384}

e:\home\pl>perl b2.pl
perl b2.pl
&#20013;&#25991;
&#20013;&#25991;