00000nz  a2200000n  4500
001  KSH1998007974
005  20021222081316
008  980429 n azknn|abn          |a a|a    | 
150  ▼a강유전성 결정[强誘電性結晶]▲
450  ▼a강유전체 결정[强誘電體結晶]▲
450  ▼wr▼i영어▼aferroelectric crystal▲
550  ▼wg▼a결정(물질)[結晶]▲
550  ▼wg▼a결정체[結晶體]▲
550  ▼a강유전체[强誘電體]▲
550  ▼a축전기[蓄電器]▲