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- variation of groundwater level 地下水动态
- Variation proportion of groundwater level 水位变化率
- Based on the quality data of overyear water table and groundwater,the research studied the dynamic variation of water table and quality of groundwater. 本文在总结银川地区地下水监测点的多年水位和水质资料的基础上,研究地下水水位的动态变化和水质随时间的变化。
- Meteoric water, artificial exploitation and percolation for irrigation canals are the main influence factor of dynamic variation of groundwater. 地下水位频繁的升降一是改变了上覆土体的状态和强度，促进土体崩落；
- Based on the quality data of overyear water table and groundwater, the research studied the dynamic variation of water table and quality of groundwater. 摘要本文在总结银川地区地下水监测点的多年水位和水质资料的基础上，研究地下水水位的动态变化和水质随时间的变化。
- This paper focus on the effect of groundwater level by gold gangue and a model was estabished. 为此,我们概化了水文地质条件,选取了合理的参数,建立了模型,重点分析了金矿尾矿库对地下水水位的影响。
- The hydrogeologic conditions of Anqing copper mine are analyzed herein based on data of pit water gushing and observation of groundwater level. 本文利用矿坑突（涌）水资料及矿区地下水位观测资料对安庆铜矿水文地质条件进行分析和概化。
- A BP neural network model is established based on the relationship between groundwater level and its influential factors to be used for the prediction of groundwater regime. 地下水系统是一个复杂的随机系统,本文根据地下水位与其影响因素之间存在的映射关系,建立了一个BP人工神经网络模型,并将其用于地下水位的动态预测。
- The paper studies the changing characteristics of groundwater level and water quality of bedrock fissure water exploitation areas in urban district of Changchun City. 论文阐述了长春市城区基岩裂隙水开采区地下水位、水质状态的变化特征。
- The authors analyse the damages of groundwater on the highway slope in three aspects i. e. pore water pressure, permeable suffusion and rising and falling of groundwater level. 从孔隙水压力、渗透潜蚀、潜水位升降三方面分析地下水对公路边坡土体造成的危害，针对这些危害，提出了解决的措施，一是阻排地表水，防止水流对公路边坡的冲刷及下渗；
- At last, it searches the process of rainfall infiltration under great buried condition and shows influences of groundwater level owing to rainfall infiltration. 通过分析和讨论，探求了大埋深条件下降雨入渗过程，初步揭示了降雨入渗对地下水位变化的影响。
- dynamic variation of groundwater 地下水动态
- Pediction of periodic variation and decline tendency of groundwater level 具有周期变化和下降趋势的地下水位的预测
- The results not only proved that TEM approach is less sensitive to resistive anomaly than the conductive one, but also illustrate that TEM method is good enough in water exploration as well as dynamic monitoring to the changing of groundwater level. 结果一方面证明瞬变电磁法对高阻体的分辨能力不及低阻体,另一方面说明瞬变电磁法对地下水的探测能力比较灵敏,可以胜任找水的工作。 也说明TEM方法不但可以用于找水,还以用于地下水水位的动态监测。
- The song sounds like a variation of a very old and familiar tune. 这首歌像是一个熟悉的旧曲调的变奏曲。
- The environmental geological problems existing in the West Liaohe Plain involve desertification of land, salinization of soil, declining of groundwater level and pollution of groundwater. 摘要西辽河平原的环境地质问题主要表现为土地沙漠化、土壤盐渍化、区域地下水位元下降及地下水污染等。
- Different equations were established and the calculated storage increasement causing the ascension of groundwater level was 4.84m3/s, 88.8% of which was due to storage adjustment of reservoir. 以水库蓄水为界限;划分两个均衡期;分别建立方程并求出使地下水位上升的储存量的增加量为4.;84m~3/s。 分解后得水库岸边渗漏量及水库调蓄、控水引发的河水渗漏量为10
- The groundwater level of 63 of the 186 cities and regions subject to monitoring has increased. However, in general, the decline of groundwater prevails, with affected areas accounting for 62 percent. 全国186个主要地下水位监测城市和地区中，有63个城市和地区地下水位有所回升，但地下水位总的发展趋势仍以下降为主，下降区比例高达62%25。
- Impact in variation of line impedance. 系统阻抗变化之影响。
- A variation of ten pounds in weight. 在重量上十磅的变化量
