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。
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。
A contagious bacterial skin infection, usually of children, that is characterized by the eruption of superficial pustules and the formation of thick yellow crusts, commonly on the face.
脓疱病一种儿童常患的传染性皮肤细菌感染,其特征为表皮小脓疱的发作和黄色厚的硬皮的形成,通常出现在脸部。
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 thick sandstones in Chang 8 oil Formation of Yanchang group may be divided into two types by the research on sedimentary petrology and sequence stratigraphy.
通过对延长统长8段厚层砂岩沉积岩石学和层序地层学研究,将其分为两类,一类是由多期单一成因的分流河道砂岩叠加构成;
This paper describes the formation of double side and multilayer circuit, and embedded passive component using high function thick film printing technology.
概述了应用高功能厚膜印刷技术形成双面,多层电路和嵌入无源元件。
By source analysis and researches on the sedimentary characteristics, the formation mechanism and types of the thick sand bodies in Chang 6 period in central lake basin of Ordos basin is studied.
通过对鄂尔多斯盆地延长组长6期湖盆中部地区物源分析、沉积相特征等研究,分析了厚层砂体的形成机理和砂体类型。
In the Laizhouwan depression, the Sha4 Member of the Paleogene Shahejie Formation attains thick salt and gypsum which have uplifted and formed salt diapir and pillow in the KL112 area.
莱州湾凹陷沙河街组四段含有较厚的岩盐和膏盐层,并在KL112地区发生聚集隆起,形成典型的盐底辟(盐枕)构造。
When mud cake is thick, formation permeability and shear wave slowness evaluated from the attenuation of the amplitude of Stoneley wave are wrong.
当泥饼层较厚时,用斯通利波幅度衰减估算的地层渗透率及提取的横波时差是错误的结果。
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。
The main cause of better corrosion resistance was due to growth of granules, decrease of grain boundary area, and formation of thick and compact oxidation film on the coating surface.
晶粒长大、晶界面积减少以及镀层表面生成较厚的、致密的氧化膜是耐蚀性提高的主要原因。
Objective: to discuss the method to accelerate the wound healing and to reduce scar formation in thick split skin donor sites.
前言:目的:探讨促进中厚供皮区愈合,减少供皮区瘢痕的方法。
Stromatolites are found to be abundant in the thousand-meter-thick lower member of the Ganchaigou Formation and the lower Youshashan Formation in the Ganchaigou area, west Qaidam Basin.
柴达木盆地西部干柴沟一带发现大量第三纪湖相叠层石,主要存在于第三系的下干柴沟组下段到下油砂山组的数千米厚的地层中。
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。
In these basins, there are Meso-Cenozoic thick sediments, with favourable conditions for the formation and accumulation of petroleum.
这些盆地中有着巨厚的中、新生代的沉积,具备了良好的生油与储油条件。
Steep rocks and thick jungle have helped the islands avoid human impact — many contain mysterious grottoes and caves, the result of 500 million years of formation and erosion.
陡峭的岩石和茂密的丛林保护这些小岛免受人类的影响:很多小岛上有神秘的岩穴和洞穴。这些洞穴是同事50亿年冲刷腐蚀而形成的。
Steep rocks and thick jungle have helped the islands avoid human impact — many contain mysterious grottoes and caves, the result of 500 million years of formation and erosion.
陡峭的岩石和茂密的丛林保护这些小岛免受人类的影响:很多小岛上有神秘的岩穴和洞穴。这些洞穴是同事50亿年冲刷腐蚀而形成的。
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