�ߜع��I(y��)�U��m����I��

��r�g��2010-01-14 12:02 ��Դ�� : ��x��1319

ʲô�Ǹߜس��m��g

�ߜؚ��w��m��ڸߜؗl��ֱ��M�К�̷��x, ��F(xi��n)��w��һ헼��g, ��̶ȵ��Ú��w��@��,��W��̈́��Լ��Ч��Ú��w�е��YԴ��

�ڻ��,��ʯ��,��ұ��ИI(y��)��,��a(ch��n)��ߜغ��m��w,��ڲ�ͬ��ˇ��Ҫ��ֻ��_��h(hu��n)��ŷŘ˜�,��茦�@Щ�ߜغ��m��w�M�г��m,��ڸߜؗl��,��ճ��^��׃��,��ȴ��½�,��w��۬F(xi��n)��齵��,��Ԍ�΢��ķ��x��^��y�ȡ��,�ߜؕr��õ��O��|,��Y��ʽ�Լ��Û�ȹ��̆��}��Ӱ��O��Ч��\��,��,�ߜؗl��̷��x��g�ڻ��W��Ќ��^��y��ؽ��_�l(f��)��n�},�Ǉ��(n��i)��һ헿��o�ĸ��¼��g��

�ߜس��m��g��Ҫ��I��

�ڸߜس��m�I��,�кܴ�һ��ǽ�Q�ߜ؟��ă��,��˸ߜس��m��g�c��ú��g��е��Pϵ��

��s72 %�Ĺ��I(y��)��ȼ��,52 %�Ļ��ԭ�Ϻ�92 %��ȼ�ρ��ú̿,��ú�ИI(y��)��,��黯��,��ұ��,��ļ��ɵV��ИI(y��),߀��,��ռ��Ŀ��83. 1 %(�D1 ��1),��,�҇��Ⱦ�ԟ�ú��Ⱦ��,1994 ��ȫ��ķۉm��28Mt/ a ,1995�꟟�m�ŷ��17. 44Mt/ a ,��ܵ��Դ��L��˂��h(hu��n)��p�؉��,��ú̿��Դ�Y��o�h(hu��n)��ص��{��,��ú��g�İl(f��)չ��(ji��)�s�YԴ,��g�M��ͭh(hu��n)��o��һ��w,�ǌ�ʩ�҇��(j��ng)��ɳ��m(x��)�l(f��)չ��Ҫ��(zh��n)��e��,��ߜس��m��g��_�l(f��)�о��ǌ�ʩ��ú��g��C��

����D�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��ע�e�`��ַ��ĺϷ��,��Ո��߳֙��C��c��W(w��ng)(li��n)ϵ��҂��r��,��h��,��x�x��