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Qinghai Science and Technology
1005-9393
2012 Issue 3
5000 gong li cong tian ji dao tian ji de lv cheng shang
wo xiao dong
..............page:22-27
shou wang mai tian de wu lian wang
zhang xiao meng ; cao san sheng
..............page:36-37
THE END OF THE WORLD AND THE MAYAN DISILLUSIONED
er yu
..............page:88-91
The spread of agricultural civilization and revolution
zhuo fei
..............page:92-94
jiang zuo zhi zuo
tao si ming
..............page:16-19
WITHIN THE WORLD COMMUNITY TO SUPPORT AGRICULTURE
shi zuo
..............page:38-43
lv se su lan
..............page:9-11
WARMTH OF SPRING
fang fei
..............page:96-98
ai shang xiao mao lv
liu wei zuo
..............page:54-56
ka la mai li meng qin wu yan ying shan liu lei
liu hui li ; ma ming she ying
..............page:14-15
zou jin ying guo nong min de jia
deng xiao rong
..............page:44-45
Health Cultural
li wei
..............page:99-101
gao yuan shang de mei li da tong
shi hui lan
..............page:64-67
Editorial
jia zuo
..............page:8-8