000  $anz n  2
000  $a주제어
001  $aKSH1998029038
005  $a20021016000000
008  $a980429 n azknnaabn          |a a|a    | 
150  $a유효 명령[有效命令]
450  $wr$i영어$aactual instruction
550  $wg$a명령(컴퓨터)[命令]