00000nz a2200000n 4500 001 KSH2001018668 005 20021118000000 008 011207 n azknn|abn |a a|a | 150 ▼a버블 그래프[bubble graph]▲ 450 ▼a버블 다이어그램[bubble diagram[▲ 450 ▼wr▼i영어▼abubble diagrams▲ 450 ▼wr▼i영어▼abubble graph▲ 550 ▼wg▼a도표[圖表]▲