×÷ÕßÖ÷Ò³
СÓðºÜ¶®Çò
Ö§Óð ×10Á¬ºì
·ÛË¿ 2185
±»²é¿´ 18
×÷Õß¼ò½é
STDEVº¯ÊýÊ×ÅúÔªÀÏ£¬¶ÔÌض¨Êý¾ÝÓÐ×ÅÉî²ã´Î½â¶Á£¬ÒòΪ¾´Òµ£¬ËùÒÔרҵ¡£