Ê×ÏȸÐл¶þ×é±à¼Åà¸ù£¬ÄÜ´ÓÎÞÁ¿Ê麣ÖÐÕÒµ½ÎÒÕâ±¾£¬Ç©Ô¼ÍƼöһ·°ïÖú£¬¶ÔÓÚÐÂÈË×÷ÕßÀ´Ëµ£¬·Ç³£ÖØÒª¡£
ÔÙ˵ÏÂдÕâÊéµÄÔÒò¡£
¸úÐí¶à×÷ÕßÒ»Ñù£¬°®¿´Ê飬ÓÈÆä°®¿´ÎäÏÀÏÉÏÀÀ࣬¸÷½×¶Î±È½Ï³öÃûµÄ¶¼¿´¹ýÁË£¬±ãÓÐ×Ô¼º¶¯ÊÖдµÄ³å¶¯¡£
³å¶¯ÊÇħ¹í°¡£¬ÕæÉÏÊÖÁ˲ÅÖªµÀ²»ÊÇÄÇô¼òµ¥¡£
×ÜÏë²»×ß±ðÈË×ß¹ýµÄÌ×·£¬Ïëд³öµã²»Ò»ÑùµÄ¶«Î÷À´£¬ÓÚÊǽʾ¡ÄÔֵļӶ«Î÷£¬Æ´´ÕÕ³ºÏ¡£
»¹Êǵ±·ìºÏ¹ÖµÄÊÖÒÕ²»¹»Ç¿£¬Ò»Ð©µØ·½ÄÑÃⲻͨ˳£¬Ö÷½ÇÐÔ¸ñÓëÖ÷ÏߵIJ»Îȶ¨ÕâЩС벡£¬ºÜ¶à¶ÁÕßÄÜ¿´³öÀ´¡£
Õâ¸öÐÂÈ˳õѧէÁ·£¬Ö»ÄÜ˵»¹ÔÚѧϰÌá¸ßµ±ÖС£
ÉϼܸÐÑÔ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ