¾©¶«ÎåÐǵçÆ÷
1000Ôª
²»ÏÞ / ²»ÏÞ / ÐÔ±ð²»ÏÞ / 1ÈË / ²»ÏÞµ½¸Ú
Ì©ÖÝ-º£Áê £¨Ì©ÖÝÊк£ÁêÇø³ÇÄϽֵÀ¼Ã´¨¶«Â·106-1ºÅ¾©¶«ÎåÐǵçÆ÷£¨ÊÀ¼ÍÁª»ª¸ô±Ú£© £© ÉÏ°à·Ïß²éѯ
ÕÐƸ1ÈË
(ÁªÏµÊ±Çë˵Ã÷ÊÇÔÚÐÂÌ©ÖÝÈ˲ÅÍøÉÏ¿´µ½µÄ)
´òµç»°Ç°ÏÈͶ¸ö¼òÀú£¬»ñµÃÃæÊԵijɹ¦ÂÊÔö¼Ó30%
Ò¹±£ÒªÇóÄêÁä60~65Ë꣬±ØÐëÒªÓÐÍËÐÝÖ¤£¨Ã»ÓÐÍËÐÝÖ¤µÄ²»¿¼ÂÇ£¬Ð»Ð»£¡£©£¬°×Ìì²»ÐèÒªÉϰ࣬ÍíÉϹýÀ´Ë¯¾õ¼´¿É¡£¹¤×÷Ïà¶Ô±È½ÏÇáËÉ£¡·Ç³ÏÎðÈÅ£¡