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。
The facade of museum resembles the texture of rock stratum section in order to create a sense of stack-up;
博物馆的外观类似于岩石地层部分的纹理，以创造一种叠加的感觉；
Through similar material simulation the horizontal and vertical stress of arch rock stratum in pressure equilibrium is observed.
通过相似材料模拟，对压力平衡拱处岩层的水平应力和竖直应力的观测。
The rock stratum drilled by a rotary drill is random distributed and complicated, so it is difficult to define the drilling process.
牙轮钻机钻凿的岩层是随机分布、错综复杂的，因而钻进过程难以定义。
The paper puts out the crustal tectonic movement, in fact, that is isostatic differential stress movement between the crust and the rock stratum.
本文提出了地壳的构造运动，本质上是地壳与岩层的均衡差运动。
Based on the researches of the excavated slopes, the slopes are controlled by multiple factors such as rock stratum, geo-structure, geomorphic etc.
综合研究表明，开挖边坡受控于地层岩性、沙金坝向斜构造、微地貌等多重因素。
The rheologic model has been used to analyze the interaction between shaft wall and viscoelasticviscoplastic surrounding rock in soft rock stratum.
利用流变介质模型，分析软岩立并并壁与粘弹塑性围岩的相互作用。
The influence of the size of sound lens and the sound velocity in sound lens material and crude oil and rock stratum on the sphere of action is studied.
分析了声透镜尺寸及材料中的声速、原油及岩层中的声速对其传播距离的影响。
The false top is the existence pole exchanges weak caving rock stratum between the coal seam and direct top. In the coal mining, it may often be happened.
伪顶是在煤层与直接顶之间存在的极易垮落的软弱岩层，在井下采煤工作面回采时，会常常遇到。
According to the frequency of landslide, its altitude ab0ve seaulevel and the naturepropety of rock stratum, the stabilities of slope areas are classified.
根据滑坡发生的频率周期．依据高程及地层岩性对该地区斜坡稳定性进行了分区。
Yes , you have talent. but talent is like diamond buried deeply under the rock stratum, It won't lighten up without difficult digging and elaborate carving.
不错，你有天赋，可是天赋就像深藏在岩层底下的宝石，没有艰苦的发掘、精心的雕琢，它自己是不会发出光彩来的。
Igneous rock stratum in Daqing is the world-class difficult drilling formation. The rock drilled in the stratum have high drillability value and poor adaptability with drill bit.
大庆油田火成岩地层是世界级难钻地层，钻进过程中该地层岩石表现为可钻性值极高，地层与钻头适应性差。
When the dip of bedding is less than the friction Angle of rock, the rock stratum will separate and some rock blocks in every rock stratum may slide along joint surface as a whole.
当床上用品的倾角小于岩石内摩擦角，岩层分离和一些岩石块，在每一块岩石地层滑动沿节理面作为一个整体。
This paper, based on studies of the wall rock motion and mining pressure in the mining area, combines the two subjects of the mining rock stratum and the mining pressure into one theory.
本文根据对采场围岩运动、矿山压力研究的实践，把“矿山岩层移动”和“矿山压力”两门学科融为一体。
Lithology, rock stratum thickness, fracture process, structural stress field, local structure, stratum load and karst process are all main controlling factors for the development of the rift.
岩性、岩层厚度、断裂作用、构造应力场、局部构造、地层负荷与岩溶作用是控制裂缝发育的主要因素。
On the other hand, the study on work performance of pressure-dispersive anchor in rock stratum and weak rock stratum especially is not sufficient in the civil geotechnical engineering circles.
另一方面，国内岩土工程界对于压力分散型锚杆在岩层，特别是在软弱岩层中的工作性能所进行的研究还相当少。
Rock shear strength value c, which reflects stratum lithology is the most fundamental factor, and it is affected by other factors.
地层岩性的抗剪强度指标是最根本的因素，且受其它诸因素的影响。
Aiming at the influence effects of roof stratum on rock burst, the research methods of physical simulation experiment in laboratory, UDEC 4.
针对顶板岩层对煤体冲击的影响作用机理，采用实验室物理模拟试验、UDEC4。
A thin layer or stratum, as of coal or rock.
薄薄的一层或层面，如煤或岩石的。
The cold-heat cycle underground is closely related to the hydrogeological characteristics of various rock and soil stratum (aquifer) when groundwater source heat pump system is running.
地下水源热泵系统运行期间，地下冷热量循环过程与地下不同岩土层（含水层）的水文地质特征密切相关。
How to use simulated logging curve makes a synthetical contrast of rock and coal seam at complicated stratum and no obvious mark area are introduced.
介绍地层变化复杂，无明显对比标志地区如何利用模拟测井曲线进行岩、煤层综合对比。
The Taibei Depression is the main oil and gas bearing area of Tuha Basin, and the coal bearing stratum of the Xishanyao Formation is the most important source rock in the area.
台北凹陷是吐哈盆地的主要含油气区，而西山窑组煤系地层是该地区的主力烃源岩。
To form bends in a stratum of rock.
由岩石，尤其是水成岩组成的地层。
The results indicated that the field in the stratum is composed of a series of cylinder wave which has the attenuation different from the country rock.
结果表明，层中波场由一系列柱面波组成，其衰减特性与围岩中的规律不同。
The Ordovician weathering crust has good sealing and covering conditions of aluminum rock on the top, favorable for formation of large-scale stratum and lithologic trap.
奥陶系风化壳上覆铝土质岩类，封盖条件好，有利于形成大型地层、岩性圈闭。
The research achievements establish a foundation for the rock burst forecast method on the basis of the stratum movement theory and micro-seismic observation.
研究结果为利用岩层运动理论与微震监测相结合的方法预测冲击矿压奠定了基础。
According to constitutive equations of rock anisot roipy, the relation between deviation of stratum and well inclination in directional drilling has been studied with the finite element method.
从岩石各向导性的本构方程出发，用有限单元法研究了地层倾角与定向钻井井斜之间的关系。
According to constitutive equations of rock anisot roipy, the relation between deviation of stratum and well inclination in directional drilling has been studied with the finite element method.
从岩石各向导性的本构方程出发，用有限单元法研究了地层倾角与定向钻井井斜之间的关系。
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