±¾²úÆ·²ÉÓýø¿ÚÔÁϺÍÏȽø¹¤ÒÕµÄÓлú¸´ºÏ£¬²úÆ·ÓÐÁ½²ã¡¢Èý²ã½á¹¹£¬Íâ²ã¹â»¬±ãÓÚÓ¡Ë¢£¬ÖмäΪ΢¿×²ÄÁÏ£¬ÄÚ²ãΪPE²ÄÁÏ·½±ãÈȺϡ£ÎÒ¹«Ë¾ÊÇרҵÉú²úºôÎüÖ½µÄ³§¼Ò£¬Ö÷ÒªÓÃÓÚľ֯±ðÊûºÍ¸Ö½á¹¹±ðÊûǽÌåºÍÎݶ¥µÄ·À³±¡¢·ÀË®×÷Óá£