00000nz a2200000n 4500 001 KSH1998014310 005 20021216000000 008 980429 n azknn|abn |a a|a | 150 ▼a특성 벡터[特性--]▲ 450 ▼wr▼i영어▼acharacteristic vector▲ 550 ▼wg▼a벡터(수학)[vector]▲ 550 ▼a특성[特性]▲