ΪʲôҪʵÐÐִҵҩʦ֤Êé×¢²áÖƶÈ
£¨1£©ÊǶԻñµÃִҵҩʦ×ʸñÈËÔ±ÔÚÖ´Òµ»î¶¯Ç°±ØÐë¾¹ýµÄ×¼Èë¿ØÖÆ£¬×¢²á»ú¹¹Í¨¹ý¶ÔÉêÇë×¢²áÕßµÄ×ʸñÉóºË£¬·ûºÏÌõ¼þ²ÅÓèÒÔ×¢²á£¬Í¬Òâ×¼Èë¡£
£¨2£©ÊǶÔִҵҩʦ½øÐÐÐÐÕþ¹ÜÀí£¬¼ÓÇ¿¼à¶½µ÷¿ØµÄÒ»ÖÖÊֶΡ£
£¨3£©Í¨¹ý×¢²áÖƶȶÔÒ©Æ·Éú²ú¡¢¾Óª¡¢Ê¹Óõ¥Î»µÄÓÃÈËʵÐÐÒÀ·¨¼à¶½¹ÜÀí
±¾ÎĵØÖ·£º http://www.dexueedu.com/zyys/d/176.html
°æȨÉùÃ÷£º±¾ÎÄ·¢²¼ÓÚµÂѧ½ÌÓýÍø ÄÚÈݾùÀ´Ô´ÓÚ»¥ÁªÍø ÈçÓÐÇÖȨÁªÏµÉ¾³ý