1000-7857
1991 Issue 7
..............page:3-6+10
The Flood of 1991 and Harnessing of Taihu Lake Valley
huang xuan wei ;
huang xuan wei ;
..............page:7-10
Flood and Waterlogging in China and Their Control Measures
he xi wu ; lu jing yuan ;
he xi wu ; lu jing yuan ;
..............page:11-14
On the Initial Stage of China’s Modernization
wu zhong min ;
wu zhong min ;
..............page:15-19
..............page:20-23+19
..............page:24-26+59
..............page:27-30+33
..............page:31-33
..............page:34-37
..............page:38-42+64
The Development and Utilization of Renewable Energy Bring Great Changes to lnner Mongolia Grassland
li tie sheng ; hu zhen lin ;
li tie sheng ; hu zhen lin ;
..............page:43-45
..............page:45
ContemPorary Development and Education of Mathematics
sun xiao li ; du ;
sun xiao li ; du ;
..............page:46-49+59
Some Thoughts on the Applied Mathematics Education
xie ding yu ;
xie ding yu ;
..............page:50-51+64
Progress in Quasicrystals Research
zhang ze ;
zhang ze ;
..............page:52-55
Progress in Seismology Research
chen zuo ; zhu li yuan ;
chen zuo ; zhu li yuan ;
..............page:56-59
Change and Protection of China’s Beast Resourses
meng zhi bin ;
meng zhi bin ;
..............page:60+33
yi chang he xian xiang yan jiu zheng wen bu qian jin di er jie guo ji leng ju bian nian hui ji shi
li xing zhong ;
li xing zhong ;
..............page:61-62
..............page:62
..............page:62
kong jian he neng de li bi
jiang xi ren ; wang yu ;
jiang xi ren ; wang yu ;
..............page:63-64