ã矩効ããç§ãããã¶ã£ãŠã¢ã²ã«ïŒããããã¶ããžã£ã³ããŒã®çªç¶ã§ããçŸ©åŠ¹ïŒ ãåãçã åç»ãšãã¿ã¬ã¹ãã«æ»ã æ¬æ¥ã®äººæ°åç» ãã®ãµã€ãã®éå»åç»äžèЧ