Contained within the rock strata is evidence that the region was intensely dry 15,000 years ago.
岩层中的证据表明该地区在15,000 年前曾经非常干旱。
Over millions of years, groundwater left deposits of a mineral called calcite, on the rock within Devil's Hole.
在数百万年的时间里，地下水在魔鬼洞内的岩石上留下了一种叫做方解石的矿物质沉积物。
The fact of the matter is that rock and roll, which was invented within the lifetime of many of us.
事实上，摇滚流行乐是在我们许多人的有生之年发明的。
Most volcanoes that occur in the interiors of plates are believed to be produced by mantle plumes, columns of molten rock that rise from deep within the mantle.
人们认为，大多数发生在板块内部的火山爆发都是由地幔柱造成的，地幔柱是指从地幔深处涌出的熔岩柱体。
Article 14 Mine pillars and rock pillars to be preserved as specified in the mining designs shall, within the prescribed period of time, be protected and may not be exploited or damaged.
第十四条矿山设计规定保留的矿柱、岩柱，在规定的期限内，应当予以保护，不得开采或者毁坏。
The new discipline of digital rock physics has, nevertheless, attracted considerable attention within the industry.
但是“数字岩石物理”这门新学科在行业内引起了相当大的关注。
The frame’s columns however are free to rock up and down within steel shoes secured at the base.
然而，钢架的柱子是可以随着摇晃自由上下摆动，有钢管托牢牢固定在基座上。
The frame's columns, however, are free to rock up and down within steel shoes secured at the base.
然而，钢架的柱子是可以随着摇晃自由上下摆动，有钢管托牢牢固定在基座上。
We critique albums and artists within the context of their own genres - from opera to garage rock to traditional country.
我们在所属的类型中评论专辑和艺术家——从歌剧到车库摇滚到传统乡村。
As of Sunday, occasional rock cascades were the only signs of activity-other than lava flows-within the crater, according to the volcano observatory.
据火山观测站所说，到周日为止，在火山口内，偶尔的岩石小瀑布——而不是岩浆流动——是火山还在活动的唯一迹象。
Softer rock layers within the mesas eroded to form steep canyons and overhangs along their slopes.
台地被风化侵蚀后的沙土层形成了陡峭的峡谷和悬崖。
ON A manicured lawn within the grounds of the Arkansas state capitol in Little Rock a Nativity scene is erected each Advent.
每当圣诞来临之际，在阿肯色州小石城、州议会大厦周围修剪整齐的草地上，都会立起耶诞的布景。
The mystery lies in the origin of their magma, or molten rock within the Earth.
关于岩浆或熔融岩石起源是地球内部的奥秘。
Within the protection zone for a water project, any act of blasting, sinking a well, quarrying rock, and collecting earth, which endangers the safety of the water project, shall be prohibited.
在水工程保护范围内，禁止进行爆破、打井、采石、取土等危害水工程安全的活动。
At least 3,350 active mining claims exist for all types of hard-rock exploration within the area.
目前至少有3350个活动的采矿队正在这一地区寻找重金属矿脉。
At least 3, 350 active mining claims exist for all types of hard-rock exploration within the area.
目前至少有3350个活动的采矿队正在这一地区寻找重金属矿脉。
The threat of asteroids was illustrated on Monday when a rock as large as a small house soared within 7,500 miles of Earth.
周一，人们发现了在距离地球附近7500公里出出现了一块大小相当于一座房子的陨石。
This often, within minutes, results in more jolts as the pressure that was at one point now moves to be pressure at the next point where rock fingers are holding the slippage.
这通常在几分钟之内发生，由于压力从一个点上跑到另一个点上，而此处的岩石层正阻挡着发生滑动，这样就导致了更多的晃动。
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。
The 75-year-old rock legend received the prize "for having created new poetic expressions within the great American song tradition".
这位75岁的摇滚传奇歌手因“在伟大的美国歌曲传统中开创了新的诗性表达。”而获奖。
Magma is molten rock that flows within the earth.
岩浆是在地球内部流动的熔化的岩石。
In most cases, the deformed rocks within ductile shear zones are mylonites, because rock grain size obviously reduced and strengthening foliation (lineation) developed.
在大多数情况下，韧性剪切带中的变形岩石为糜棱岩，因为经受韧性剪切变形时，岩石的粒度显著减小并发育了强化的叶理(线理)。
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.
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；
It occurs in the fossil hydrothermal systems within Xiangshan Mesozoic volcanic basin and is the product of water-rock interactions in the hydrothermal systems.
该矿田产于中生代相山火山岩盆地古水热系统之中，是水热系统中水-岩相互作用的产物。
Selective catalysis of different clay minerals within source rock is the most important factor of affecting hydrocarbon composition.
烃源岩不同粘土矿物的选择性催化特征是影响油气组成的最重要因素。
When the rocks are fractured, roadway convergence is mainly due to expansion deformation of the surrounding rock within the fractured zone in a residual-strength state.
围岩处于破裂状态时，巷道收敛主要是由处于残余强度状态的破裂区围岩的碎胀变形引起的。
When the rocks are fractured, roadway convergence is mainly due to expansion deformation of the surrounding rock within the fractured zone in a residual-strength state.
围岩处于破裂状态时，巷道收敛主要是由处于残余强度状态的破裂区围岩的碎胀变形引起的。
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