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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。
- My name is down on the panel of jurors. 我的名字已列入陪审员名单。
- He moderated on a weekly panel show. 他主持每周的讨论节目。
- The panel brought in a unanimous decision. 全体陪审员一致通过了一项决定。
- This ceiling has a carved panel. 这块天花板带有刻花镶板。
- The panel was chosen to take part in discussion. 那个专门小组被选中参加讨论。
- 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。
- The builders set the panel in very carefully. 建筑工人把嵌板非常小心地镶上去。
- Mr. White moderated on a weekly panel show. 怀特先生主持每周一次的电视讨论节目。
- A hermit used to live in the cave. 一位隐士曾经住在那个山洞里。
