00000nz  a2200000n  4500
001  KSH1998024045
005  20030520125733
008  980429 n azknn|abn          |a a|a    | 
150  ▼a등치선[等値線]▲
450  ▼wr▼i영어▼aisogram▲
450  ▼wr▼i영어▼aisoline▲
450  ▼wr▼i영어▼aisopleth▲
550  ▼a노모그래프[nomograph]▲
550  ▼a등고선[等高線]▲
550  ▼a등시각선[等時刻線]▲
550  ▼a등압선(기상)[等壓線]▲
550  ▼a등온선[等溫線]▲
550  ▼a등우량선[等雨量線]▲
550  ▼a등조선[等潮線]▲
550  ▼a등치선도[等値線圖]▲