000  $anz n  2
000  $a주제어
001  $aKSH2002039492
005  $a20021226014916
008  $a021218 n azknnaabn          |a a|a    | 
150  $a삼각 수준 측량[三角水準測量]
450  $wr$i영어$aTrigonometric leveling
550  $wg$a측량[測量]