永定

永定河和大清河在天津附近合流。

The Yongding and Daqing rivers meet near Tianjin .

基于GIS的区域人口密度空间分布模拟&以张家界市永定区为例

A GIS-based method for simulating spatial distribution of regional population density-A case study of Yongding district , Zhangjiajie

基于GIS和RS的风沙危害风险性评价&以大兴区永定河沙地为例

Risk Assessment of Wind Erosion Based on RS and GIS & A Case Study in Yongding River , Beijing

我国耕地估价研究思路的整合与RRM综合估价模型&以北京市门头沟区永定镇为例

Rating-revenue integrated appraisal model : a synthetical approach for cultivated land appraisal in China

以天津永定新河入海口附近浅海区海底表层沉积物为对象，研究了海底表层沉积物中硫化物、有机碳、石油类、重金属（Cu、Pb、Zn、Cd、Hg）和总铬的含量及其分布规律。

The authors are to study the pollutants such as sulfide , organic carbon , petroleum , heavy metal ( Cu , Pb , Zn , Cd , and Hg ) and total chromium in the superficial sediments . Their contents and distribution are analyzed in the survey area .

永定河沉积物中磷的存在形态及其指示意义

Phosphorus Speciation in Sediments of the Yongding River and Its Significance

永定河上游省界断面下泄量的确定方法

Discharge Ascertain Method of the Upstream Provincial Section of Yongding River

永定河中小洪水利用的前提条件分析

Precondition analysis on annual flood resources exploitation of the Yongding River

永定河上游晚更新世晚期以来的堆积阶地年代测定

Terrace dating of upper Yongding River Drainage Basin since late Pleistocene

福建龙岩－永定矿区推滑叠加型滑脱构造

Superimposed Thrust Detachment Structure in Longyan Yongding Mine Areas , Fujian Province

论永定河与北京城的关系

On the relationship between the Yongding River and Beijing city

永定新河污染水体处理试验

Experiment of treating the wastewater of the new Yongding River

永定河流域石景山段湿地景观规划设计研究

Wetland Landscape Planning in the Shijingshan Section of Yongding River

北京市永定河分洪枢纽工程桥梁检测与评估

Bridge Test and Evaluation of Flood Diversion Hub in Beijing Yongding River

喔，你就是永定河，他想。

Hm * So you are the Yongding river , he thought .

他顺着永定河的河漫滩大步走着。

He strode along the shore of the Yongding River .

永定河实时调度系统的建立

Establishment of real time flood dispatch system of Yongding River

永定河在远处仍然缓缓长流。

The Yongding River continued to flow slowly off into the distance .

永定河管理处水管体制改革推动与建议

Water management system reformation motivations and suggestions of Yongding river

北京市永定河流域风沙化土地成因及治理模式

Origin of wind-sandy land and control pattern in Yongding River Basin in Beijing

福建永定龙川矿区构造特征及其演化过程

Structural Features and Evolutionary Course of Longchuan Mining Area , Yongding , Fujian

北京市永定河河流湿地水环境现状研究

A study on the marsh environment of the Yongding River , Beijing City

永定新河淤积机理探讨

Discussion on Deposition Mechanism of the New Yongding River

历史上森林变迁对永定河的影响

Impact analysis of historical forest change on Yongding River

福建永定县的常绿阔叶林

Study of evergreen broad leaf forest of Yongding county , fujian , China

接着，山谷下碧绿的永定河突然出现在眼前。

Then suddenly we saw the green Yongding River in the valley below .

永定矿区酸性矿井水的特征及形成机理探讨

The Character of Acid Mine Water and Its Cause in Yongding Mine Area

张家界市永定区基础教育资源均衡配置研究

A Balanced Allocation of the Basis Educational Resources of Yongding District , Zhangjiajie City

到这时，便会有一种东西出现在他眼前，他也开始能辨认永定的命运。

Then something appears to him , and he begins to distinguish the definitive .

由此人们便知道观音洞与永定河相通。

From then on it was known that the Cave connects to the River .