00000nz  a2200000n  4500
001  KSH1999020692
005  19991031002301
008  991031 n azknn|abn          |a a|a    | 
150  ▼a대기 경계층[大氣境界層]▲
450  ▼a행성 경계층[行星境界層]▲
450  ▼wr▼i영어▼aplanetary boundary layer▲
550  ▼a대기(공기)[大氣]▲