ÊÕµ½±à¼Í¨Öª£¬Ã÷Ìì¿ÉÒÔÉϼÜÁË¡£©c(???)?(???)?
˵ʵÔÚ»°£¬ÎÒûÏëµ½Õâ±¾ÊéÄÜÓÐÕâô¶àÈË¿´£¬±ÈÎÒÔ¤ÏëÖеĶࡣ
ǰʮÍò×ÖµÄʱºòÊý¾Ý²Ò壣¬»ù±¾Ã»¶àÉÙÈË¿´£¬ÎÒ¶¼×öºÃ¼ÌÐøÆË½ÖµÄ×¼±¸£¬½á¹û¿¿×ÅÊÔË®ÍÆ£¬ã¶ÊÇÒ»²½²½µõ³µÎ²½ú¼¶ÉÏÀ´¡£
Ò²¶à¿÷Á˸÷λ¶ÁÕß´ó´óµÄ×·¶Á£¬ÈÃÎÒµÚÒ»´ÎÏíÊܵ½ÍêÕûËÄÂÖÍÆ¼öµÄ´ýÓö¡£
ÓÈÆäÊǸ÷λ´ó´óµÄ¹ÄÀø£¬ÈÃÎÒÊ®·Ö¸Ð¶¯£¬ÄÇÆÀÂÛÇø£¬Ó¥½´¿´Á˶¼»áÑۺ졣
¿ÉϧÎÒËÆºõûÓаÑÎպûú»á£¬²»ÖªµÀÊDz»ÊÇÖÐ;д²íÁË£¬×î½ü×·¶ÁµÄÈ˱äÉÙÁËһЩ¡£
²»¹ý¸÷λ¶ÁÕß´ó´ó²»Óõ£ÐÄÎÒ»áÌ«¼à£¬È÷¼Ò±ðµÄûÓУ¬¾ÍÊÇÍ·Ìú£¡(`Ãó¡ä)
ÉϼܸÐÑÔ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ