But people also know that in 2002 to 2003 year, the underground water level in Beijing dropped three metres.
但人们也知道，2002年到2003年一年间，北京的地下水水位下降了三米。
Hence, the influence of the underground water level can be negligible in pile integrity test and estimation.
因此，在桩的完整性测试中可以忽略地下水位的影响。
In some parts of the country, rivers have dried up, the underground water level continues to decline and the environment deteriorates day by day.
部分地区江河断流，地下水位持续下降，生态环境日益恶化。
Not only is the cave storage required to be in the integral rock, but be kept forever below the underground water level, making use of the difference of...
它既要求洞库位于完整性好的岩体中，且又永远处于地下水位以下，利用油水比重差防止气体外逸，从而达到储油的目的。
It is difficult to proceed with large earthwork when the underground water level is high. So in order that project goes smoothly, underground water level decreasing by man-made is adopted.
地下水位偏高时，大型土方工程施工困难，必须采用人工降低地下水位的方法，方能确保工程顺利进行。
The change of underground water level sometimes brings a lot of disadvantageous effects on to the buildings, such as affecting their stability and durability.
地下水位的变化，往往对建筑物产生许多不利作用，比如影响建筑物的稳定性和耐久性。
The high level underground water causes damages on the concrete board of the canal such as seep, freezing, sulfate erosion and swelling by swelled ground.
由于地下水位高，造成地下水对渠道混凝土板的渗透破坏、冻胀破坏、硫酸盐侵蚀破坏和膨胀土膨胀破坏。
The paper classified the disaster events induced from underground water level change because of human activities and investigated its causes and prevention measures.
对由人类活动引起的地下水动态变化所诱发的各种类型的灾害事件进行了分类研究；并对其成因及防治措施分别作了探讨。
It is used widely in the northern regions where underground water level is lower such as Beijing and Hebei province.
它主要用于地下水位比较低的地区，在我国北方地区尤其是北京、河北等地广泛应用。
The dynamical condition for the underground water (mainly shown by the water level) and the water temperature variation, especially radon variation, due to other factors have been described.
阐述了地下水动力条件（主要表现在水位方面）及其它因素对水温特别是水氡变化的影响。
The diversion tunnel section excavated by tunneller is buried deeply, the under ground water level is high, the activities of underground water is lively, and Karst topography is quite developed.
采用掘进机开挖的引水隧洞洞段埋藏较深，地下水位高，地下水活动强烈，岩爆频繁，岩溶较为发育。
Groundwater level can be recovered by artificial regulation of water resource in the empty underground space of the depression cone.
利用降落漏斗区腾空的地下储水空间进行水资源的人工调蓄可使地下水位得到恢复。
The soil properties and underground water level affect the excavation of foundation pit to a great extent.
基坑的开挖在很大程度上受土质和地下水位的影响。
In case of underground construction in area of high ground water level, there is often anti-floating problem during the work.
在高地下水位地区进行地下工程施工，往往存在工程的抗浮问题。
It is obvious that the level of underground water makes much influence to the growing and yield of cotton.
地下水位对棉花生长发育和产量的影响明显。
Rising and falling of flood water level not only leads to the increase and decrease of underground water near the bank, but also restricts the change of runoff outflow routing.
洪水的涨落不仅引起河岸附近地下水蓄水量的增减，同时也制约着地下径流过程的变化。
The water seal conditions depended on the level of underground water and whether the water level was higher than the designed one or not after using the artificial pressuring measures.
水封条件取决于地下水位和采取人工加压措施后能否高于设计水位。
The water quantity and the air quantity contained in the soil and the temperature are both affected severely by the variation of the level of underground water.
地下水位的变化对土壤的含水量、空气含量和温度状况有强烈影响。
It shows that the abrupt decline of underground water level is the most disadvantage factor, and the effect of the seepage pressure on the stability of the Huanglashi slope has increasing tendency.
这说明地下水位突降时，其引起的渗透压力最大，且渗透力对黄腊石边坡稳定性的降低作用随时间有增大的趋势。
The vertical line transducer can be used in rivers, lakes, seas to measure tide, wavy, smooth sea, wave direction, velocity, and underground water level, etc.
它可广泛应用于江、河、湖、海中测量潮汐、波浪、微浪、波向、波速以及地下水位等等。
It is a significant problem of mining area subsidence resulting from underground coal mine mining, which resulted in soil resources destruction, even a lot of waterlogging in the high water level.
因地下煤炭开采导致的矿区塌陷是目前矿区的主要问题之一，这些塌陷造成土地资源破坏，在高水位甚至出现积水。
It is a significant problem of mining area subsidence resulting from underground coal mine mining, which resulted in soil resources destruction, even a lot of waterlogging in the high water level.
因地下煤炭开采导致的矿区塌陷是目前矿区的主要问题之一，这些塌陷造成土地资源破坏，在高水位甚至出现积水。
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