00000nz  a2200000n  4500
001  KSH2000027239
005  20000428002527
008  000428 n azknn|abn          |a a|a    | 
150  ▼a멱함수[冪函數]▲
450  ▼wr▼i영어▼apower function▲
550  ▼wg▼a함수[函數]▲