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- river system survey 河系调查
- What is Australia's biggest river system? 澳洲最大的河流系统是?
- Objective To make an epidemiological survey of risk factor of clonorchiasis among the residents near the banks of the Huaihe river system. 目的调查淮河沿岸肝吸虫病流行的危险因素。方法采用实验流行病调查法,对中间宿主、终宿主和沿岸部分居民作现场查询、体检和粪检。
- An extensive area of land drained or irrigated by a river system. 流域由一个大河系排水或灌溉的广阔的土地区城
- This river system has over 30 rivers. 这一河系共有30多条河流。
- The region draining into a river,river system,or other body of water. 流域将水排入某河流、水系或其它水体的地域。
- The region draining into a river, river system, or other body of water. 流域:将水排入某河流、水系或其它水体的地域。
- The major pollution indicators in the Yangtze River system are petroleum and ammonia nitrogen. 长江水系的主要污染指标是石油类、氨氮和高锰酸盐指数。与上年相比，水质持平。
- The water quality of the Pearl River system in Guangxi is better than that in Guangdong. 珠江水系广西境内江段水质好于广东境内江段。
- Channel deposits, consisting of sand, silt and clay, fill the valleys cut by a river system. 河道沉积由砂，粉沙和粘土组成，充填于河流切割的河谷之中。
- A river system is seen in drought-affected farmland south of the Australian capital city of Canberra, Dec. 29, 2006. 这是2006年12月29日拍摄的澳大利亚堪培拉南部受旱情影响的河流和农田。
- Gazetteer Asia: Peninsular India from Deccan rivers up to Krishna river system. 亚洲:来自德干河的印度半岛向上到克里希纳河河流域。
- Shijiazhuang municipal area belong to the Haihe River basin and the Great River water system Ziya River system. 石家庄市辖区内河流分属海河流域大清河水系和子牙河水系。
- AIGSS Annual Inert Gas System Survey 年度惰性气体系统检测
- To protect a stream or river system from excessive inputs of nutrients and pollutants, we must protect its watershed. 为了保护小溪河流防止过度的营养物及污染物的输入，我们必须保护它们的分水岭。
- ARS Annual Cargo Refrigeration System Survey 年度货物冷藏系统检测
- A new technique was developed for eliminating the pseudo river occurred in the process of extracting river system... 该方法为消除提取水系时平原区域出现的伪河道提供了一种新的修正方法。
- Overexploitation of river systems and oases has exacerbated the problem. 过度开发河流系统和绿洲使水资源问题进一步恶化。
- Based on the systemically survey,the population dynamics of Bactrocera dorsalis from varieties of megranate ochards under the different management in Jianshui were investigated for two years. 通过20032、004年的系统调查,对云南省建水县不同管理水平下的石榴园桔小实蝇种群动态规律进行研究。
- Oceania: southern Queensland, Australia in Burnett and Mary River systems. 大洋洲: 在伯内特与玛丽河流域的澳洲昆士兰南部。
