Å´Ã×Ï´¸É¾»£¬Å´Ã×ÓëË®±ÈÀý=1:0.7£¬ÏÈÓ÷¹¹øÖóÊìÅ´Ã×£¨Ð¾ÉÃ×ÓõÄË®Á¿²»Ò»Ñù£¬ÐÂÅ´Ã×Ë®Á¿ÓõĽÏÉÙÃ× 1:Ë® 0.7 £»¾ÉÅ´Ã× 1: Ë®0.8 £©
2½«¸ÉÏ㹽ϴһÏ£¬ÓÃË®ÅÝ¿ª
3½«ËâÍ·ÇÐƬ¡¢½ªÇÐƬ¡¢Ïã¹½ÇÐƬ¡¢Ï㳦ÇÐƬ
4ÂéÓͱ¬ÏãËâƬ¡¢½ªÆ¬¡¢Ï㹽Ƭ£¬¼ÓÈëÏ㳦Ƭ³´ÖÁÊì
5½«ÖóÊìÅ´Ã×·¹µ¹È룬ÓÃÃ׾Ƹú½´Ó͵÷ζ°èÔȼ´¿É×°ÅÌ
6×°Å̺ó¿ÉÈöЩ´Ð»¨¡¢Ö¥Âé