Unlike igneous rocks which are formed from molten rock material, sedimentary rocks are made up of particles of previously existing rocks, including igneous, metamorphic and sedimentary rocks.
沉积岩不像火成那样是由熔融的岩石物质形成，沉积岩是由早先存在的浆岩、变质岩和沉积岩的矿物碎屑及岩石屑组成的。
In 1997 at Black Rock Desert, Nevada, he drove Thrust SSC to become the first person to break the sound barrier in a car and set the existing land-speed record of 763mph.
1997年在内华达州黑岩沙漠，他驾驶“推进”号超音速车成为突破汽车音障的第一人，并创下目前时速763英里的地面速度记录。
Rock mass elastic wave velocity is the synthesized reflection of rock quality, rock mass structure, and rock mass existing environment.
岩体弹性波速度是组成岩体的岩石性质、岩体结构、赋存环境的综合反映。
Directing to the problems existing in goaf roadway in soft rock roadway, find out the optimum solvent and make goaf roadway technology all_round way spread.
针对沿空送巷在软岩地区存在的几个问题，提出解决措施，找到解决问题的最佳办法，使沿空送巷技术得到全面推广。
Based on the existing damage model of rock blasting and the theory of rock damage and fracture, a new damage model for rock blasting has been founded.
在分析现有岩石爆破损伤模型和岩石爆破损伤断裂理论的基础上，建立了新的岩石爆破损伤模型。
The accuracy of the interpolation method for measured lining displacement is analysed with the existing standard for lining design of railway tunnel in several kinds of rock.
通过现行各类围岩铁路隧道支护结构的标准设计，对位移样条插值方法的精度进行了检验，表明完全可满足隧道施工及分析的需要。
The paper discusses the existing conditions, location, size, shape and definition method for critical rock hidden in engineering wall rocks.
对隐藏于工程围岩内的危石的存在条件及其方位、大小、形状和确定方法进行了讨论。
Based on the existing research results and up to the minute theory of rock damage and fracture mechanics, the blasting damage and fracture mechanism of rock and bedded composite rock is studied.
本文基于前人的研究成果，采用岩体损伤、断裂理论的最新研究成果，研究了岩石和层状复合岩体在爆炸应力波和爆生气体作用下的损伤断裂机理。
This paper analyses the origin cause of formation, formation mechanism of the intensity, classification and existing problem of mixing of the material of the soil and rock form.
本文分析了土石混合材料的成因、强度形成机理、分类及存在的问题。
An important issue in water-rock interactions is to know the existing state of silicon in formation water.
水岩相互作用中的重要问题之一是搞清硅在地层水中的赋存状态。
It is found that the staged cut with duplex-square has the best blasting effect in trial shafts sinking. This experimental result is analyzed with the existing achievements of rock dynamics.
结果表明：复式正方形分层分段掏槽在试验井筒中有最佳的爆破效果，并应用现有岩石动力学的成果分析了这一试验结果的原因。
The prominent feature of many rheologic phenomena existing in engineering rock mass is the differential flow deformation failure.
工程岩体出现许多流变现象，它最突出的特点是差异流动变形破坏。
The slipsplit failure of rock slope parallel to rock layers is a slipping pattern objectively existing in nature characterized by upper part shearing and slipping and lower part overturning.
滑劈破坏是自然界中客观存在的层状岩石边坡顺层滑坡的一种破坏模式，其特点是滑体上段为剪切下滑，下段被上段推挤后发生倒转破坏。
In the condition of pore pressure existing within rock, rock framework's effective stress plays an important role.
在岩石内部具有一定的孔隙压力的条件下，岩石骨架的应力状态就起到主要作用。
On the basis of this, the problems existing in the study of water-jet rock breaking theory are reviewed out and analysed and some Suggestions for the theory study are given.
在此基础上评述和分析了水射流破岩理论研究存在的问题，并为水射流破岩理论的研究提出了一些建议。
The mistakes existing in the research of rock dynamic destabilization by using catastrophe theory are pointed out.
指出目前采用突变理论研究岩体动力失稳问题中存在的误区。
Distribution of Triassic salt bed is very wide in Sichuan Area and the condition of salt rock creep resulting in casing collapse is existing.
四川地区三迭系盐岩层分布广泛，盐岩层蠕变挤毁套管的客观条件是存在的。
Most of the existing models for borehole wall stress are based on plane strain hypothesis. So some errors may be generated as compared with the real stress state of rock.
现有井壁围岩应力求解模型大都基于平面应变假设，相对岩石真实应力状态会有一定的误差。
There are many omens existing before rock fracturing, which is an important research issue of rock mechanics and rock engineering.
岩石破裂存在多种前兆，它是岩石力学和岩石工程中的一项重要研究内容。
On the basis of this, the problems existing in the study of water-jet rock breaking theory are reviewed out and analysed and some su…
在此基础上评述和分析了水射流破岩理论研究存在的问题，并为水射流破岩理论的研究提出了一些建议。
For the current existing problems, the method of coal-rock interface recognition based on multi-sensor management was proposed.
针对目前存在的问题，提出了基于多传感器管理的煤岩界面识别方法。
The improved rock mass parameters have been applied to the support action analysis of tensioned and grouted bolts by using the existing analytical solutions.
这些结果可直接应用于围岩—支护相互作用分析的已有解析解中，并通过控制围岩边界位移量进行锚杆支护参数设计。
The stress distribution of rock is asymmetric due to the presence of pores existing. The failure cracks deviate from vertical axis of symmetry.
但由于孔隙的存在，岩石内部的应力分布出现非对称性，导致劈裂裂纹偏离纵向对称轴；
The existing studies have shown that the pore fluid pressure of porous media has some effects on the deformation and damage of rock, and the influential level is distinct to different rock masses.
已有的理论研究表明，多孔介质孔隙流体压力对岩石的变形和破坏存在一定影响，不同岩石其影响程度不同。
For the rock texture, I duplicated parts of existing paintings and filtered them a few times with lighting effect tools and noise.
关于岩石的材质，我复制了一些现有的图像加上滤镜，用了些时间做灯光效果和噪波。
Rock Valley College wanted to develop a new regional facility for the performing arts at Starlight Theatre to replace an existing outdoor venue.
岩谷学院意欲再星光剧场兴建一个用于艺术表演的地区性公共建筑来取代以往的户外表演场所。
Rock failure process analysis (RFPA) code is used to study the failure process of rock disks with pre-existing cracks when subjected to static loading.
本文利用岩石破裂过程分析系统（RFPA）研究了含有不同角度预制裂纹的岩石试样在动态载荷作用下的破坏过程。
The hypabyssal rock is a kind of special rock. There has been no definite rule for determining the bearing capacity of this kind of rock by existing different standards at home.
半成岩是一类特殊岩石，国内现行的各种规范对此类岩石的承载力如何确定尚未作出明确的规定。
Based on the special existing form of immature source rock of biogenic gas, the assessment system of organic matter abundance for quaternary source rock of biogenic gas in Qaidam basin is suggested.
鉴于未成熟生物气源岩有机质赋存形式的特殊性，提出了柴达木盆地东部第四系生物气源岩的有机质丰度评价标准。
Based on the special existing form of immature source rock of biogenic gas, the assessment system of organic matter abundance for quaternary source rock of biogenic gas in Qaidam basin is suggested.
鉴于未成熟生物气源岩有机质赋存形式的特殊性，提出了柴达木盆地东部第四系生物气源岩的有机质丰度评价标准。
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