¶þÔ·ÝÎÒÒªÕ¾ÆðÀ´£¬ÏÂÒ»Õ¸üÐÂʱ¼ä(1/2)
¶þÔ·ÝÎÒÒªÕ¾ÆðÀ´£¬ÏÂÒ»Õ¸üÐÂʱ¼ä
ÏÂÒ»ÕÂ×î³Ù²»³¬¹ý¶þµã·¢£¬Ã»×öµ½£¬·Û˿ȺÀïÖ±½Ó·¢20ºì°ü£¬ÃãÀø×Ô¼º£¬¶½´Ù×Ô¼º£¬¾ø¶Ô²»ÄÜÍÏÑÓ¡£
ÎÒÒªÔç˯ÔçÆð£¬×ÔÂÉÉú»î£¬°×ÌìÂë×Ö£¬ÍíÉÏÐÝÏ¢£¡
ÎÒÒªáÈÆð£¬Ã÷ÌìÊÇеÄÒ»Ô£¬ÕæµÄ±ØÐëÒªáÈÆðÁË£¬¸üÐÂÒªÓ²ÆðÀ´¡£
»Ö¸´ÈÕ¸üÒ»Íò¶þ£¡
¶þÔ·ÝÎÒÒªÕ¾ÆðÀ´£¬ÏÂÒ»Õ¸üÐÂʱ¼ä(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ