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Water resources in Western China are of special concern. 西部地区的水资源尤为令人关注。
water resources in air 空中水资源
The climate characteristics of water resources in North China are analyzed by EOF method and Gaoqiao Equation using monthly precipitation and monthly mean air temperature data of 27 stations in North China from 1951-1995. 利用华北地区27个台站1951-1995年月平均气温及月降水总量资料，用EOF分析方法及高桥浩一郎公式计算并分析了华北地区水资源的气候特征。
He sucked in air, then went under the water again. 他深深吸了一口气又潜到水里。
The WRC conducts and funds research and outreach related to water resources in the state of Minnesota. 该中心管理并资助有关明尼苏达州水资源的研究。
Designed to operate on land, water, or in air. 长于陆海空作战的，三栖的可在陆上、水上或空中操作的
Since 1999,water resources in all major river valleys have been brought under unified management. 从1999年起，对重点江河全流域实行水资源统一调度。
Water resources cannot be separeated from land resources in irrigated agriculture. 在灌溉农业中，水资源是不能和土地资源分开的。
How much does sound travel faster in water than in air? 声音在水中比在空气中传播快多少？
Water resources cannot be separated from land resources in irrigated agriculture. 在灌溉农业中,水资源是不能和土地资源分开的。
Problems and Exploitation Countermeasures of Water Resources in Agric ultural Development in Karst Region of Guizhou. 贵州岩溶地区农业发展中的水资源问题及其可持续利用。
The speed of sound in water is about four as great as in air. 声音在水中的速度是空气中的四倍左右
Could you tell me something about the development and utilization of water resources in your country? 你能介绍一下你们国家在水资源开发利用方面的情况吗?
Since 1999, water resources in all major river valleys have been brought under unified management. 从1999年起，对重点江河全流域实行水资源统一调度。
It was found that the dominant organisms in the surface water resources in Xi an were Tubifex, Cladocera and Chironom. 本课题对西安市地表水源中的生物孳生进行了近2年的研究,确定出颤蚓、摇蚊幼虫和枝角类水蚤为本地区最主要的水生污染种类。
Local water resources in Guangzhou is not abundant but the groundwater and tidewater quantity is very rich. 广州市本地水资源并不丰富,但过境客水与潮流量十分丰富。
Therefore, concrete drought-relief measures are put forward for the full use of cloudy water resources in Linxia. 由此提出了为抗旱减灾而在临夏地区充分开发利用云水资源的具体对策和措施。
He sucked in air,then went under the water again. 他深深吸了一口气又潜到水里。
The distribution features of coal and water resources in northwestern five provinces are analyzed. 分析了西北五省(区)煤炭资源与水资源分布特征。
Exhaust gas has been incriminated in air pollution in cities. 废气已过视为城市空气污染的原因。