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					  [ λ ȭ ȸ] ȭ翡 浵 ϴ ȭ ѹݵ  ϶ "λ    ֽϴ."  ȭ  λ  ñ ϱ   ɼ ϴٰ   ִ. ȭ(ߣ) ƴ Ȱȭ(ߣ)̱ ̴. Ϻ  1903 λ õ ȭ簡 ö  ƴٴ 嵵 Ѵ. ٷ  λ ȭ  ɼ  ָϱ   2002 6 θ α ߱ û  Ը 7.3   ĺʹ. λ ȿ б  "2002   ڱ λ   Ƚ ߰, ȭ    Ǵ Ϲ п ǥ   Ͼ" "     ȭ Ȱ 簳  δ" ߴ.    2002 7 ر   ְ 260ȸ ϴ ȭ꼺  ư, õ µ ° õ ֺ    ƴ. ݸ ߱  λ  ɼ ٰ Ѵ. 2002 2005    Ƚ ũ   , 2006 ĺʹ ٴ . ̿   а ڴ "  پ ٸ ¡ĵ  ǰ ִ" "λ ߿ ڿ ߱μ ɽ ۿ " ߴ.   ۿϴ ŭ ߱     ٴ .   " ñ⸦ ϴ  Ұϴ" ߴ. λ꿡  ڷᰡ   Ȳ̱ . û   " ñ⸦ Ϸ پ  ġ   ϰ  ڷḦ   ؾ  μ ü ڷ   "̶ ߴ. ȭ ߿  رԸ   ִ. ô 946 947   λ   ȭ(VEI) 7.4.  4  װ Ų ̽ ̾ľƮŬ ȭ ( 4) 1,000質  ̸ η      ϳ ǰ ִ.  λ 100̻ ȭ縦  ̴ ѹݵ ̸ 1m   ִ  û ̴.   "946    Ϻ ȭ簡 ư  Ը Ѵٸ 簭  浵  ȭ翡  ȭ  ִ" ߴ. 翬Ҵ "λ ϸ õ  20←  귯 1ð  зϰ θ    Ѱ ߱ ū ȫ Ͼ   ظ  ʴ´" ߴ.  ȯп ֱ ǥ 'λ  ùķ̼' ȭ꿡  Ȳȭ  ݻ ѹݵ ϴ  2 2  ϶  ߴ.  
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