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- Hm ...so you are the Yongding River, he thought. 喔，你就是永定河，他想。
- Department ofgu an xian Haihe River alluvial plain of the Yongding River. 固安县系海河水系的永定河冲积平原。
- The landform on which ancient human activity relic located was interfluvial floodplain on Yongding River Alluvial Fan. 古人类活动遗址所处地貌部位为古永定河冲积扇的河间冲积平原。
- At this we all cheered. Of course, we would revisit that beautiful mountain village on the banks of the Yongding River! 听到这个提议我们都高兴地叫了起来。不用说，大家都很想再去看看永定河畔那座美丽的山村。
- He turned and gazed at the entirety of the Yongding River's scenery, remembering facts from his geography books. 他转过身去，注视着永定河远近的景观，记忆着与地理学有关的东西。
- So the Yongding River has not surrendered, he thought, this is not a shallow, humiliated, obedient brook. 永定河没有屈服，他想，这并不是一道屈辱的驯服的浅流。
- At this we all cheered.Of course,we would revisit that beautiful mountain village on the banks of the Yongding River! 听到这个提议我们都高兴地叫了起来。不用说，大家都很想再去看看永定河畔那座美丽的山村。
- There is large area of poor sandy soil along the Yongding River Valley in Langfang and is difficult to use. 廊坊市永定河流域有大面积贫瘠沙性土壤，难以开发利用。
- So this is the Yongding River, he thought, Suddenly he felt tired, his entire right arm ached and felt numb all at once. 这就是永定河呵，他想。 他忽然觉得累了，整个一条右臂又酸又麻。
- With long strides he crunched along the shingle, biting his lips-he had already left the girl behind: As soon as the Yongding River reached the plain it surrendered. 他大踏步地踏着砾石块，咬着嘴唇走着，那位姑娘已经被他甩在背后了。 永定河来到平原就屈服了。
- Study on Soil Wind Erosion and Vegetation efficiency of Wind and Prevention Sand Resistance Artificial Vegetation at Sand-Land in Yongding River in Beijing. 北京市永定河沙地土壤风蚀与人工植被防风阻沙效益研究。
- Project Content : Along the dykes of Yongding River course to build the tourism and sightseeing zone with the length of 21.2 kilometers and width of 800 meters. 项目内容： 沿永定河故道大堤建设长21.;2公里、宽800米的旅游观光产业带，具体包括五项内容：一是千亩桃花园；
- Zhangjiakou and Chengde in Hebei surrounding the dam is, Yongding river downstream drainage areas and three sand zone is the main area of the sandstorm sources around the world. 在京津周边就有张家口和承德的坝上、坝下地区及永定河下游三大沙区，是京津地区主要的风沙源之一。
- Total area of 360 mu, which Yongding river, the Great Shahe, Chaobaihe, Kang village and Nankou Beijing 'five' focus sandstorm affected areas, a total area of 247.5 mu. 总面积360万亩，其中永定河、大沙河、潮白河、康庄以及南口是北京‘五大’重点风沙危害区，总面积有247．5万亩。
- Water samples collected from Guanting Reservoir and Yongding River in July 1999 were examined by Ames test to evaluate the mutagenic activity of organic pollutants. The samples have been concentrated by using XAD|2 resin filled columns. 1999年 7月在官厅水库和永定河下游三家店河段设 4个采样点 ,应用Ames实验对所采集水样中经XAD 2树脂富集后的有机污染物进行了致突变性检验。
- Dong Wei Wu for three years Stele Mentougou District in the northwest town of Hebei hillside between. [Juan in a huge green Shiyan, this may be overlooking the Yongding River is the river. 东魏武定三年刻石位于门头沟区河北镇西北部的山坡间。文字镌于一块巨大的青色石岩上，于此可俯视西部永定河故河道。
- The No. 20 contact of shielding tunnel in Beijing Metro Line 4 project is located in Yongding River piedmont alluvial-pluvial fan, where the outcrop of rock is discontinuous and uneven. 摘要北京地铁4号线20标盾构隧道位于永定河冲洪积扇，岩石不均匀出露，在掘进过程中遭遇水下、软硬不均岩石地层和全断面极硬岩等不良地质情况。
- Jizhong depression due to the history and the Yellow River diversion and the Taihang Mountains Dong Lu Yongding River, the impact of Hutuohe alluvial fan to form a special morphology. 因受历史上冀中拗陷和黄河改道及太行山东麓永定河、滹沱河冲积扇的影响，形成特殊形貌。
- Yongding River sand land is the largest area of wind-sand land sand and is one of the most severe wind sand damage region in Beijing,Which has important influence to eco-entironment in Beijng. 永定河沙地是北京市面积最大的风沙化土地和风沙危害最严重的地区之一，对北京市的生态环境有重要影响。
- Design of the Yongding River detention reservoir 永定河滞洪水库工程设计
