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- Building the demonstration of flood control site in Bali Zhuang area, based on the study of hydraulical conditions of Beijing urban area. 本次工作是在分析研究北京城区水文地质条件及包气带入渗能力的基础上,在北京市水文地质工程地质大队八里庄居民小区建立了老城区雨洪利用示范工程。
- The 32 genera of pollen-allergenic plants in Beijing urban area were mainly North Temperate elements, occupying 40.6%, followed by Cosmopolitan and Pantropic elements. 2)北京城区32属花粉致敏植物以北温带成分为主,占40.;6%25,其次是世界性分布与泛热带分布;
- A five step sequential elution procedure with or without supersonic effect was tested for extraction of foliar dust from leaves of Euonymus japonicus collected at two locations of Beijing urban area. 用多步连续洗脱方法采集了干线道路路侧和远离道路校园内冬青卫矛叶面积尘,研究了叶面尘的采集方法。
- PAHs in Foliar Dust from Beijing Urban Area 城区叶面尘特性及其多环芳烃含量
- Studies on bird-feed trees at green belts of Beijing urban area 北京市区绿化带内鸟类食源树种研究
- Study of vehicle emission control targets in Beijing urban area 北京市机动车污染物排放控制目标研究
- In some developing countries more and more people migrate to urban area. 在某些发展中的国家,越来越多的人向市区迁移。
- Species composition, distribution and phenological characters of pollen-allergenic plants in Beijing urban area 北京城区花粉致敏植物种类、分布及物候特征
- Studies on Avian Community Structures and Affecting Factors in the Greenbelts of Beijing Urban Area 北京市区绿化隔离带内鸟类群落结构及其影响因素研究
- Determination of SO_2 Objective Value for Pollution Total Amount Control in Beijing Urban Area 北京市大气SO_2污染总量控制目标值的确定
- A region remote from urban areas; backcountry. 腹地远离城区的地区,偏僻地区
- SEISMIC EXPLORATION OF SHALLOW DEFORMATION ALONG LISHUIQIAO SECTION OF HUANGZHUANG-GAOLIYING ACTIVE FAULT IN BEIJING URBAN AREA 北京黄庄-高丽营隐伏断裂立水桥段浅部活动特征的地震探测
- How do you revive a down-at-the-heels urban area? 您如何重振了下来---清远市区?
- The edge of urban area is usually ig nored. 城市中的边界地带往往被人忽视。
- The air pollution in the urban area is still serious. 城市大气污染仍然较重。
- Urban areas have depended on local sources of food. 城市地区都依靠当地的粮食来源。
- The drop-out rate is highest in the poorest urban area. 最贫困城区的辍学率最高。
- To 2005,no bare land will remain in the urban area and city skirt. 2005年基本消灭全市城市建成区及城乡结合部裸露地面。
- The epidemic centered in the urban areas. 传染病集中于市区
- Beijing urban area 北京市区