In most localities a given species of clam or coral persists essentially unchanged throughout a thick formation of rock, only to be replaced suddenly by a new and different species.
在大多数地方，某一种蛤蜊或珊瑚在厚厚的岩层中保持基本不变，只是突然被一个新的不同的物种所取代。
Plate movements are the surface expressions of motions in the mantle—the thick shell of rock that lies between Earth's crust and its metallic core.
板块运动是地幔运动的表面现象。地幔是位于地壳和金属内核之间的一层厚厚的岩石壳。
Detailed field studies of thick rock formations containing fossils provide the best potential tests of the competing theories.
对含有化石的厚岩层的详细现场研究为相互竞争的理论提供了最佳的潜在检验。
Rock disco hair should be preferred if you have thick hair.
如果你的头发比较厚，摇滚迪斯科发型会更好。
After a littleexploration through the thick growth of kelp and sea grass, he picks up apromising-looking rock about the size and shape of a slightly melted bowlingball.
在厚厚的海藻和海草中摸索了一小会儿后，他拾起了一块看起来有潜质的石头，其体积和形状像有点融化的保龄球。
Analysis of the samples suggests there could be 100 times more water in the lunar mantle, the thick rock layer beneath the surface crust, than was previously thought.
经过对于这些样品的研究和分析，科学家们推测在月球地幔层中的水资源是之前预估的将近100倍，这些水就存在厚岩石与地壳层之间。
Permafrost and thick rock will ensure that even without electricity, the genetic material stored in the vault will remain frozen and protected.
永久冻土和坚厚的岩层将确保遗传材料即使在没电的情况下保持冰冻状态并得到保护。
He climbed up a large tree, planted on a high rock, whose branches were thick enough to conceal him, and yet enabled him to see all that passed without being discovered.
他爬上了一颗很大的树，长在一块很高的岩石上，有着茂密的树枝足以隐蔽他，还能够在没有被发现之前看到所有发生的一切。
The current stratovolcano-a cone-shaped volcano built from successive layers of thick lava flows and eruption products like ash and rock fragments-is built on top of an older stratovolcano.
这个层状火山是由稠密的熔岩流以及火山灰和岩石碎片等喷发物所形成的连续层堆积而成的锥形火山，它位于一个更老的层状火山之上。
The current stratovolcano — a cone-shaped volcano built from successive layers of thick lava flows and eruption products like ash and rock fragments — is built on top of an older stratovolcano.
如今层状的尤耶亚科火山(由一层一层的火上熔岩和火山喷发产生的灰尘和碎石形成的火山锥)是在一座更加古老的层状火山上形成的。
Drill past 3, 000 metres of rock and you will hit a layer of salt 2, 140m thick.
钻探头穿过3000米厚的岩层将会触碰到2140米厚的盐层。
This paper introduces condition, coal seam form change, distribute law of rock nature and rock phase, thick coal seam collect conditim in Hegang coal filed.
介绍了鹤岗煤田的地质情况，煤层空间形态变化，岩性、岩相的分布规律和厚煤层聚积条件。
The rock assemblages of the Bayinbuluke formation are mainly alkaline basalt - thick andesite - alkaline rhyolite.
火山岩岩石组合以碱性玄武岩-粗安岩-碱性流纹岩为主。
The rock assemblages of the Bayinbuluke formation are mainly alkaline basalt-thick andesite-alkaline rhyolite.
火山岩岩石组合以碱性玄武岩-粗安岩-碱性流纹岩为主。
The layer of rock was ten metres thick.
那层岩石有十米厚。
Xuehu coal main and subsidiary well have deep shaft, thick surface soil and strong disability, poor pourability in the hydrated grope rock and complex geology condition.
薛湖煤矿主、副井井筒井深、表土厚且膨胀性强、基岩含水层可注性差、地质条件复杂。
The vital problems to be solved in Shendong mine are the dynamic pressure damage of thin rock strata roof under thick sandy soil soft stratum and the loss of water and soil under mining.
浅埋煤层薄基岩厚砂土松散层顶板动压灾害和采动水土流失是神东矿区急需解决的重大问题之一。
Even then, we could reach only the uppermost layers of the thick rock formation, which extends almost a kilometer below the surface in some locations.
即便如此，我们也只能接触到粗厚岩层的最上层，在某些地点，这些岩层向下延展的深度近一公里。
It's the classic blueprint of a medieval castle, its thick outer walls separated from the inner structure by a moat dug out of the rock.
这是一座典型的中世纪城堡，一条由岩石槽出的护城河把它厚实的外墙和内部建筑从结构上分开。
The regularity and parameter of surface movement aroused by mining under thick soil layer and thin base rock have its obvious characteristic and regularity.
厚松散层薄基岩下开采引起的地表移动规律及地表移动参数，有其明显的自身特点和规律。
Sedimentary characteristic analysis shows that sedimentation ply thick and acreage amplitude of middle and lower parts of Cretaceous have better hydrocarbon source rock.
沉积特征分析表明，在没有钻井揭示的白垩系中、下部，其油气潜力有可能比泰州组更加可观，是很好的烃源岩。
The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine, such as shallow buried depth, thin bed rock and thick aeolian sand.
大采高液压支架是针对上湾矿煤层浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
There are about 98% thick continental ice sheet and 2% barren rock.
南极约98%覆盖着厚厚的大陆冰床，2%光秃的岩石。
Based upon FLAC3D, size effect of rock specimen, the seismic two block models, the seismic five blocks models and thick-walled hollow have been simulated to obtain localization phenomenon.
采用FLAC3D，对试样的尺寸效应、二块体地震模型、五块体地震模型和厚壁圆筒模型进行了变形局部化数值模拟研究。
The classification of rock group for the deep and thick overlying layer could be based on their formation, matter composition, structure features and the thickness changes.
深厚覆盖层可按其成因、物质组成、结构特征及厚度变化等作为岩组划分的依据。
The huge thick mudstone section deposited at the turning position from uprising to subsiding of the base level is the main hydrocarbon source rock and favourable reginal cap rock.
基准面上升到下降的转换位置发育的大套泥岩段是区内的主要烃源层和良好的区域盖层。
The huge thick mudstone section deposited at the turning position from uprising to subsiding of the base level is the main hydrocarbon source rock and favourable reginal cap rock.
基准面上升到下降的转换位置发育的大套泥岩段是区内的主要烃源层和良好的区域盖层。
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