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- natural rock fracture 自然裂缝
- Natural rock joint surface profiles belong to fractal category. 自然岩石节理表面轮廓线可以看作为分形曲线。
- Its fracture phylozone is nonuniform.Tfrend of rock fracture is very complex. 岩石裂缝走向较为复杂，断层附近裂缝较发育。
- Rock fracture and rock flowage are different types of geological deformation. 岩石破裂和岩石流动是不同类型的地质变形。
- Obtainment of surface morphology attribute data is very important in the research of rock fracture. 岩石节理裂隙研究的一项重要内容是表面形态属性数据的获取。
- Based on the viewpoints of rock fracture mechanics, compressive strength of rock mass controlled by discontinuities is discussed. 基于岩体断裂力学的观点,探讨基于结构面扩展的岩体抗压强度准则。
- The fractal structure of rock fracture in dam foundation of the Three Gorges Project under uniaxial compression is studied based on fractal theory. 基于分形理论，研究了单轴压缩状态下三峡坝基岩石破裂的分形结构。
- Stanford Rock Fracture Project, the RFP, is an industrial affiliates project within the Stanford Structural Geology and Geomechanics Program. 斯坦福岩石断裂计划是斯坦福建筑地质学与地质力学计划中的一部分。
- The influence factors of rock fracture weak face on cut hole blasting are analysed,suit-able hole distributing method based on fracture distribution is put foreward. 分析了岩体中裂隙弱面对掏槽孔爆破的影响因素，并根据裂隙的分布情况提出相应的布孔方法和原则，对岩巷掘进施工具有实际指导意义。
- Lion Rock on matches, The ancestral hole, He-chuen, Zhuo-Lake and other natural rocks such as the old remains. 狮子山上对弈石、二祖洞、不涸泉、濯锡潭等自然山石依然如旧。
- Within massive sandstone outcrops, above comparatively dense forest, are five clusters of natural rock shelters, displaying paintings that appear to date from the Mesolithic Period right through to the historical period. 在密林中大量沙石岩中，有五组天然石窟，里面岩画的历史从中石器时代一直延续到文明历史时代。
- Not a house like those known to surface dwellers, this abode was carved into the heart of a stalactite, a natural rock formation that hung from the cavern's ceiling like an enormous ebony fang. 没有一栋建筑的主人有此威名，这栋建筑由一整块钟乳石雕刻而成，一块天然的石钟乳成为整栋建筑的天花板，有如檀色的巨大狼牙。
- By the model of infinite flat with impenetration crack model, we calculate the frequency range of the electromagnetic radiation during several rock fracture which is from middle to high frequency. 通过建立具有中心贯穿裂纹的无限大平板模型，根据破裂宽度计算了在该模型条件下几种岩石破裂过程中产生电磁辐射频率范围。
- Based on the piezoelectric effect,a hypothesis which electromagnetic emissions were yielded by charge movements resulted by destroying piezoelectric crystals during rock fracture was established. 基于晶体的压电效应,提出岩石破裂时出现的电磁脉冲现象是由压电晶体破坏导致瞬间的电荷运动而产生的假说。
- This freeze-thaw cycle, a common form of erosion of natural rocks, too, weakens a structure directly and also exposes steel reinforcing rods to water, causing them to rust. 这种作为侵蚀天然岩石的常见形式的冻融循环，同样会直接削弱建筑物，并且还使钢筋条与水接触而导致他们生锈。
- the natural rock (lake) asphalt concrete 天然岩（湖）沥青混凝土
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- It was found that the direction of rock fracturing can be controlled accurately by using slotted cartridge blasting. 试验结果表明，采用切缝药包爆破可以精确地控制岩石断裂方向。
- But geysers depend upon a unique combination of water supply, heat, and rock fractures, Hurwitz pointed out. 赫尔维茨指出但是间歇泉依靠水供给，热量和岩石破碎的特殊配合才能形成。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
