relief

An Analysis of the Relationship Between Liu Xiaofang s Poetic Creation and Dawa s Folk Culture;

试析刘小放诗歌创作与大洼民俗文化的关系

Some Problems in Enlargement compilation of Geographic Base Map;

地理底图小放大编绘的几个问题

This paper studies the effect of Yongqing re -regulating reservoir on the waterquality of lower reaches of Jilin section by analyzing the changes of carrying capacity and water quality atdifferent discharges,and proposes the minimum discharge of Yongqing re-regulating reservoir by takingaccount.

探讨水庆反调节水库对吉林江段水质的影响，并从工程效益及环境效益最佳点给出坝下最小放流量。