±¾ÊÖ²áÊÊÓÃÓÚÖйú½¨ÖþÒ»¾Ö£¨¼¯ÍÅ£©ÓÐÏÞ¹«Ë¾ËùÊôµ¥Î»µÄËùÓй¤³ÌÏîÄ¿¡£
4.Ö÷ÒªÄÚÈÝ
Ö÷ÒªÄÚÈÝ°üÀ¨£º¸Ö½îÔ­²Ä¹ÜÀí¡¢¸Ö½î¼Ó¹¤¡¢¸Ö½îÁ¬½Ó¡¢¸Ö½î°²×°¡¢¶¬ÆÚÊ©¹¤ºÍÒþ±ÎÑéÊÕ£¬¹²Áù¸ö²¿·Ö¡£