1.¶Ê»ò¹É¶«Í¨¹ýίÈÎжʻò½ÓÊܾɶÊ´ÇÖ°µÄ¾öÒé; 2.¶Ê½ÓÊÜίÈÎÊé»ò¶Ê´ÇÖ°ÐÅ; 3.¸üжʵǼDzá; 4.½«µÇ¼Ç²á¸±±¾ÔÚ¹«Ë¾µÄÈøÄ¦ÑǵÄ×¢²áµØÖ·´æµµ.