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- The area contains vast underground cave systems. 这个地区拥有庞大的地下洞穴系统。
- Cenotes are created when limestone in the cave system erodes and the roof collpases, forming a water-filled sinkhole. 当洞穴系统内的石灰岩发生腐蚀而且顶部开始下沉的时候,就形成了盛满湖水或河水的灰岩坑。
- The original block caving system with floor pillar exists many effects,such as development work large,constraction difficult,production efficiency lower and ore loss great. 原采用有底柱崩落法底板漏斗方案，存在采准工程量大、施工困难、生产效率低和矿石损失贫化大等问题。
- Many years of production practice hade revealed some problems with the original sublevel caving system in the southern mineralized zone of Fengshan Copper Mine. 丰山铜矿南缘矿带原设计采用无底村分段崩落法开采,经多年生产实践表明该法存在很多问题。
- No longer slithering, a snake skeleton lies silent in Belize's Chiquibul Cave system. 一条蛇骨架再也不能滑动了，它静静地躺在伯利兹的奇逵布洞系里。
- WU Jian,ZHANG Yong.Study on the basic theory of longwall top-coal caving system[J].Journal of China University of Mining &Technology,1998,27(4):332-335. [2]吴健;张勇.;关于长壁放顶煤开采基础理论的研究[J]
- Further exploration of that cave system is called for. I don't know if we found enough clues. 在那洞穴的内部进行深入调查是应该做的，我不知道是否我们找够了线索。
- Deep in the Romanian forest, a team of scientists stumbles upon the ruins of a 13th century Abbey which is built over the entrance to a giant underground cave system. 在罗马尼亚的森林深处，科学家们发现13世纪古老大宅的地底下，竟埋藏著一个超大型地底洞穴，他们聘请了一队洞穴探险家，进入洞穴查探究竟。
- The karst of Xingwen, China, contains the Xiaoyanwan tiankeng, alongside the degraded tiankeng of Dayanwan and also the potential collapse chambers in the Zhucaojing cave system. 四川兴文喀斯特包括小岩湾天坑和大岩湾退化天坑,以及猪槽井洞穴系统中潜在的洞穴崩塌大厅。
- This paper introduces in detail three of the probability distribution equations corresponding to ore drawing under infinite, semi-infinite and dip-wall boundaries in caving system. 发现三类边界条件下的颗粒移动概率均可用正态分布函数表示，其方差值与层面高度成幂函数关系（）。
- Archeologists are now revisiting a cave system that is buried 20 feet beneath the towering Pyramid of the Sun and extends into a tunnel stretching for some 295 feet with a height of 8 feet. 考古学家目前正在重新造访埋藏在高耸的太阳金字塔下方20呎的洞穴系统，此一洞穴延伸出一条长295呎、高8呎的地道。
- The geological model of the reservoirs could be described as a combination of tubular caves system of Dongwu stage and Himalaya tectonic fracture network. 缝洞系统是在东吴期古溶洞系统基础上，经埋藏后充填和溶解，最后由喜山期构造裂缝改造而成。
- A hermit used to live in the cave. 一位隐士曾经住在那个山洞里。
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The result can find whether the large area of Karst systems belong to the same vadose cave system,which provides the reliable geological data for the study of Karst leakage problems. 结果表明,该区地表水与地下水化学特征比较类似,为判定大区域内岩溶系统是否属于同一流动系统,解决岩溶渗漏问题提供了可靠的基础地质资料。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- We kindled a firebrand in the cave. 我们在山洞里点燃火把。
- A mouse ran out from the dark orifice of the cave. 一只老鼠从黑暗的洞口跑出。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
