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中文
10 April 1991, Volume 9 Issue 9104
科研
交通
经济
农业
科学
工程技术
灾害
专家建议
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科研
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On the Union of Natural Scientists and Social Scientists
. 1991, 9(9104): 3-6.
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交通
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The Strategy and Policy of Transportation System Development in China
. 1991, 9(9104): 7-12.
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经济
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New World Economic Pattern and Asia-Pacific Economic Cooperation
. 1991, 9(9104): 13-17.
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Development of Suburban Economy
. 1991, 9(9104): 18-21.
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Technical Progress and Development of China's Automobile Industry
. 1991, 9(9104): 22-25.
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农业
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On the Significance of Household Contract Responsibility System in Agriculture
. 1991, 9(9104): 26-30.
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Today and the Future: Population and Grain in China
. 1991, 9(9104): 31-34.
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Regional Equlibrium for Supply and Demand in Grain in China
. 1991, 9(9104): 35-38.
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科学
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Ten Years of Brain Research
. 1991, 9(9104): 39-41.
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Research on Earthquake Seismic Tomography
. 1991, 9(9104): 42-44.
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The Urgency of Scientific Breeding of Giant Panda
. 1991, 9(9104): 45-46.
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工程技术
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Exploitation of the Huanghe River Beiganliu
. 1991, 9(9104): 47-50.
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Daliushu Pivotal project on the Huanghe River
. 1991, 9(9104): 51-54.
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灾害
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Land Desertification in North China
. 1991, 9(9104): 55-57.
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Lessen Disasters and Improve Investment Environment
. 1991, 9(9104): 58-60.
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专家建议
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Standardization System of Disaster Measurement
. 1991, 9(9104): 61-63.
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