通过历史资料的验证，表明本文所建立的水均衡模型对于地下水位变动的预测是可靠的，而且简单可行。
It is proved by the verification of historical data that the water balance model is credible and easily available for the forecast of groundwater table variation.
某些湖泊的水位变动极大。
由于潮汐变化及气象等因素影响，海面水位时刻都在变动。
Due to tides and meteorological effects, the sea level is in a continuously changing state.
使用除冰盐的环境；严寒和寒冷地区冬季水位变动的环境；滨海室外环境。
Environment where using deicer salts: Chilling and cold area where water level changes in winter; sea bank environment outdoor.
并分析了锚索上受到的竖向附加荷载，这将恶化锚索的受力，同时，锚拉桩在水位变动带存在三种预应力损失。
The prestressed anchors will get accessional vertical loads that deteriorate its internal force and three prestress losses exit in the prestressed anchors as the water level is changed.
长期的水位变动在植物群落演替上扮演重要的角色。
Under moderate water level fluctuations, the species diversity will increase, and perennial water level fluctions play an important role in community succession.
通过比较每个位置的平均读数，去掉正常的水位变动，他就能计算出湖底层的任何变化。
By comparing the average readings at each place and filtering out normal water movements, he can calculate any changes in land levels.
三峡工程施工期变动回水区河段由于水位变化，使部分河段碍航情况加剧。
During the construction of Three Gorges Project, in some part of the river, due to the change of water level in fluctuating backwater area, the difficulty of navigation is intensified.
不同水位变动速度的试验结果表明，水位变动速度对粘性大于水的柴油的残余饱和度影响可以忽略不计。
Different water table fluctuation velocity experiments show that the influence of water velocity on diesel residual saturation in saturated zone is negligible.
根据解的数学特征，讨论其对应的物理意义和潜水位变动规律。
Corresponding to the mathematical characteristics of the analytical solution, the physical implication and the fluctuation rule of groundwater level are discussed.
铜锣峡是三峡库区回水变动段内典型的峡谷河段，其洪水急流滩特性阻碍了万吨船队在水位消落期的顺利航行。
Its features of rapids in high level block sailing of ten thousand ton fleet in the period of low level.
铜锣峡是三峡库区回水变动段内典型的峡谷河段，其洪水急流滩特性阻碍了万吨船队在水位消落期的顺利航行。
Its features of rapids in high level block sailing of ten thousand ton fleet in the period of low level.
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