000  $anz n  2
000  $a주제어
001  $aKSH2001011202
005  $a20021111103928
008  $a010523 n azknnaabn          |a a|a    | 
150  $a불연속[不連續]
450  $wr$i영어$adiscontinuous
550  $a불연속점[不連續點]
550  $a함수[函數]