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- aquifer strata 含水层
- An aquifer is a water-bearing rock stratum such as sandstone and chalk. 地下蓄水层是一些有水的岩石层, 如沙岩和白垩岩。
- We can follow the history of life through the strata. 我们可以通过这一层层的地层跟踪生命的历史。
- They represent each society stratum. 他们代表各个社会阶层。
- The older strata gradually disintegrate. 较老的岩层渐渐风化。
- The lay-like karst aquifer formed by some special strata and fossil karst are very important in the groundwater exploitation in this area. 特殊岩性和古溶蚀形成的似层状岩溶含水层具有重要的开发价值。
- The older strata gradually disintegrated. 年代较久的地层逐渐崩解了。
- Derive the governing flow equation for an aquifer. 推导地下含水层的流体方程式.
- Calculate aquifer properties based on well tests. 利用水井试验数据计算含水层的导水性质.
- Recharge areas are necessary for a healthy aquifer. 补给区对于一个正常的含水层来说是必需的。
- They do not constitute a separate class or stratum. 知识分子和青年学生并不是一个阶级或阶层。
- These strata, lying apparently in contact, are in fact abysmally separated. 这些表面上相触的地层实际上相隔很远。
- To expose(rock strata)by erosion. 剥蚀因腐蚀而露出(石层)
- Sometime the term artesian is used to denote a confined aquifer. 有时候人们也用自流含水层这一术语表示承压含水层。
- He hates the privileged stratum. 他憎恨特权阶层。
- They belong to the rich strata and never work. 他们属于富裕阶层,不干活。
- They represent all social strata . 他们代表各个社会阶层。
- To expose(rock strata) by erosion. 剥蚀因腐蚀而露出(石层)
- A confined aquifer is also known as a pressure aquifer. 承压含水层又叫压力含水层。
- There are several social strata in the town. 镇上有几个社会阶层。