00000nz a2200000n 4500 001 KSH2006001079 005 20060318180231 008 060318 n azknn|abn |a a|a | 150 ▼a우주 개발 경쟁[宇宙開發競爭]▲ 450 ▼wr▼i영어▼acompetition for space exploration▲ 550 ▼a우주 개발[宇宙開發]▲