000  $anz n  2
000  $a주제어
001  $aKSH2002007389
005  $a20180308135519
008  $a020310 n azknnaabn          |a a|a    | 
150  $a재생 검파[再生檢波]
450  $a오토다인 검파[--檢波]
450  $wr$i영어$aautodyne detection
450  $wr$i영어$aregenerative detection
550  $wg$a검파[檢波]