Dewatering is always necessary in foundation pit excavation and hand dig piles.
基坑开挖或施行人工挖孔桩常常需要进行人工降水。
Study on Water Level Subsidence Due to Interferential Well Group Dewatering in Weak Aquifer
弱含水层干扰井群人工井点降水水位降深研究
The Influence of Liquidambar formosana Plantation Crown-interception Upon Its Input Volume of Precipitation Water
枫香人工林林冠截留对降水水量输入的影响
Study on Degradation of Organic Pollutants in Subsurface Flow Constructed Wetland Treating Polluted Surface Water;
潜流人工湿地降解受污染水体中有机物研究
Study on the Efficiency of Constructed Wetlands in Treating Polluted River Water;
人工湿地降解污染河水的试验效果研究
Researches of Water, Soil and Nutrients Loss from Bamboo Forest;
毛竹林地水、土、养分流失的人工降雨实验研究
Chemical Properties of Precipitation in Pinus Tabulaefomis Plantations;
北京密云油松人工林降水化学性质研究
Rainfall Forecast of Wendeng City Based on Artificial Neural Network Model;
基于人工神经网络模型的降水量预测研究
Rainfall Redistribution and Hydrochemical Characteristics in the Larch Plantation
人工落叶松林降雨截留再分配及其水化学特征
Changes of Heavy Metal Contents in the Precipitation Inside and outside Liquidambar formosana Plantation
枫香人工林林内外降水重金属含量变化
Study on the Key Technologies of Water Resouces Regulation by Groundwater Depression Cone in Daqing City;
大庆市地下水位降落漏斗区水资源人工调蓄关键技术研究
To bring down to the level of the ordinary person.
使下降到普通人的水准.
by waterways, 13.8 billion person-kilometers, down by 11.4 percent;
水运138亿人公里，下降11.4%；
No leakage from the roof at testing rain storm of5 litre per square metre per minute.
屋顶每分钟每平方米5公升人工降雨试验，没有漏水。
The artificial improvement of drainage could soon lead to a marked loss in nutrients.
采用人工排水措施可以迅速导致养分含量显著降低。
This paper analyses the benefits to soil and water conservation of tillage measures, with reference to rainfall influences.
在室内人工降雨试验基础上，分析了坡面耕作措施的蓄水保土效益。
Study on the Method of Photograph Application of the Rainfall Terminal Speed in the Artificial Simulating Rainfall Equipment
摄影法在人工降雨装置水滴终点速度中的应用研究
Application Research on Generalization Capability of the Artificial Neural Network and Rainfall Forecast;
人工神经网络的泛化性能与降水预报的应用研究