石灰岩裂开了足以让树根突破洞顶。
The limestone is sufficiently fissured for tree roots to have breached the roof of the cave.
溶洞顶板持续塌陷会形成陷落柱。
加工孔我有一个放电室，与一个大洞顶部。
Machined hole I have a discharge chamber with a hole in the top.
游客可以看到从洞顶和地面长出的美妙岩石结构。
Visitors see wonderful formations hanging from the ceiling and growing up from the floor.
水滴下时，便挥发掉，溶解的物质残留在洞顶上。
As it drips, the water evaporates, and the dissolved matter is left on the ceiling.
对影响溶洞顶板稳定性的各种主要因素进行了深入分析。
The major factors affecting the stability of cave roof under pile in karst region are deeply analyzed.
一次地震震塌了洞顶，影响了效果，但是景色还是令人震撼。
An earth quake cracked the roof and spoiled the effect, but the view remains stunning.
爸爸说，这些僧侣在洞穴的墙壁和洞顶上绘制了很多美丽的壁画。
The monks, Babi said, painted beautiful 22 frescoes along the walls and roofs of their caves.
因此，基桩下溶洞顶板稳定性成为控制桥基安全的关键地质问题。
Because of the influence of cavern and cranny underground, the pile foundation of the bridge could not be constructed normally.
城墙巍巍耸立，外涂朱红，下筑券门洞，洞顶甚高，底阔3米多。
Towering walls standing, red treated, the next door building coupons, Dong ding high at the end of more than 3 meters in width.
必须有足够的措施保证在过江施工过程中不发生洞顶贯穿或设备瘫痪。
Therefore, adequate measures must be taken to ensure that there will be neither breakthroughs between the tunnel and the river nor breakdown of the equipment.
科学家认为，地下熔岩洞顶部的坍塌或流星的撞击，都是这些月球坑形成的原因。
Scientists believe these holes form when the ceiling of a subterranean lava tube collapses, possibly due to a meteorite strike.
他们继续航行，看到一个像出口的地方，但是被从洞顶掉下来的石头给堵住了。
They set sail again, and saw that what looked like an exit, but it was blocked by rocks which had fallen down from the tree.
为此，以三峡工程地下厂房拱顶设计为例，研究洞顶岩石拱结构形成及加固机理。
For this purpose the mechanism of forming a rock tunnel roof arch and reinforcement will be illustrated with the underground powerhouse in the Three Gorges Project.
一只吸血蝙蝠拍动着翅膀从夜空中飞回来，身上满是鲜血。他停在洞顶准备休息。
A vampire bat came flapping in from the night covered in fresh blood and parked himself on the roof of the cave to get some sleep.
同时根据溶洞顶板的特征和边界条件，将其简化为椭圆形和圆形顶板两种力学模型。
According to the characteristic and the boundary conditions, the cavity roof is respectively simplified as two kinds of mechanical models (round model and ellipse model).
洞顶的滴水滴落水面，在洞里回响，再加上低语般的水流声，形成一种活泼的安静。
Waterdrops fall from the ceiling into the basins, and the tiny echoes of the clapping sound, mixed with the gurgling sound of water flow into a unique kind of lively quietness.
经方案比选，采用钢花管对洞顶及两侧部分的地表和隧道地基与拱脚部位进行注浆加固。
Through comparing several schemes, steel tube-grouting was adopted to reinforce the wall rock and the foundation of the tunnel.
在数值模拟和室内离心机模型试验的基础上，提出了高填方涵洞顶部土压力简化计算方法。
The paper puts forward the simplified calculating method of soil stress of the culvert top on the foundation of numerical simulating and centrifuge modeling.
定义溶洞顶板稳定性安全系数为顶板岩体实际剪切强度与折减到临界破坏时的剪切强度之比值。
The safety factor of karst cave roof is defined as the ratio of actual shear strength parameter to critical failure shear strength parameter in this paper.
我看过第二攀登者在多绳距攀登时离他的先锋者很远一段距离，最后躺在血泊中，头撞到洞顶。
I watched a second on a multi pitch climb drop his leader a long way and end up in pool of blood as he was lifted into a cave roof.
就在我朝洞里探望时，从洞顶上挂下一只小海 星，仅仅悬在一条线上，或许就在它的一只管足上。
In the moment when I looked into the cave a little elfin starfish hung down, suspended by the merest thread, perhaps by only a single tube foot.
他梦见自己走进了岩洞，只见绿玉铺地，红玉筑墙，洞顶闪闪发光，挂满了金刚钻凝成的钟乳石。
He ascended into grottos paved with emeralds, with panels of rubies, and the roof glowing with diamond stalactites.
邓布利多已经站在岩洞中央，魔杖高高地举在手里，他原地缓缓地转着圈，仔细查看着岩壁和洞顶。
Dumbledore was standing in the middle of the cave, his wand held high as he turned slowly on the spot, examining the walls and ceiling.
风洞顶壁上最佳测压点非定常压力迟滞环方向与风洞底壁上对应最佳测压点非定常压力迟滞方向相反。
The hysteresis direction at the optimum measuring pressure point on top wall is opposite to that on bottom wall.
该液压系统采用特殊同心双缸来升降风洞顶门，并采用同步技术和液压锁闭技术来实现风洞顶门的升降。
The system makes use of the special concentric dual cylinder to lift and drop the wind tunnel door with the aid of synchronization and hydraulic locking technologies.
库勒斯基说，“为了挡住洞顶滴水，那里的孩子戴着安全头盔和廉价的塑料片，更使人有梦幻般的感觉。”
"The presence of kids wearing safety helmets and cheap plastic sheets to protect them from dripping water from the ceiling makes being there even more surreal, " says Kuletski.
研究结果表明：溶洞顶板厚度在一定范围内，当顶板跨度从B增加到4B时，地基极限承载力降低1/3；
The results show that the ultimate bearing capacity of foundation drops 1/3 when the width of rock plate upper cave increases from B to 4B within the limits of depth.
史前时期，人们居住在洞穴里。科学家挖掘洞穴地面，研究墙上和洞顶的艺术品，对早期人类已经知之甚多。
People lived in caves in prehistoric times. Scientists have learned much about early man by digging in cave floors and studying the artwork on walls and ceilings.
史前时期，人们居住在洞穴里。科学家挖掘洞穴地面，研究墙上和洞顶的艺术品，对早期人类已经知之甚多。
People lived in caves in prehistoric times. Scientists have learned much about early man by digging in cave floors and studying the artwork on walls and ceilings.
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