9ÔÂ19ÈÕ£¬½ñÈÕ²ËÓÍ¡¢²ËÆÉÖ£ÅÌÓÍÆɱÈΪ3.3786£¬ÏÖ»õ·½Ã棬ȫ¹úÏÖ»õÊг¡ÓÍÆɱÈ3.1874¡£