Based on the statistical data and farmer surveyed data, the situation of fertilizer production and consumption in the northwest China region is evaluated.
利用统计资料和农户调查资料综合分析了中国西北地区肥料使用和生产现状及问题。
It does some appliance research in hydrological simulation in data scarce region in the northwest of China.
试图在中国西北资料稀缺地区的水文模拟方法上做一些应用性的探讨。
From the late 1980s to the early 1990s, a range of test launches were conducted in the Gobi Desert in the northwest region of China.
从1980年后期到1990年早期，一系列试射在中国西北部的戈壁沙漠中进行。
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