Objective To obtain more detailed anatomic information about the protection of the labyrinth with the transpetrosal approach.
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3. 颞叶表面的桥静脉在经岩骨入路术中极易损伤，应注意保护。
The bridging veins on the surface of temporal lobe are very likely to be damaged in the petrosal approach, so they need to be protected.
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4. 小脑大前静脉是肿瘤的引流静脉，主要经岩静脉回流至岩上窦；
The tumors were mainly drained into superior petrosal sinus by great anterior cerebellar vein and petrosal vein ;
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5. 经岩石力学分析，玄武岩抗压强度最大，粗面岩抗压强度相对较弱。
Through rock mechanics analysis, basalt has the most compression strength, while that of trachyte is relatively weaker.
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6. 目的介绍并讨论一种治疗斜坡区肿瘤的经岩骨后乙状窦前的手术入路。
Objective To describe and discuss a transpetrosal-presigmoid approach for removal of tumors in clival regions.
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7. 东方武夷茶王，原料叶质肥厚，芽头泛红，在阳光照射下，经岩光反射，红光炫目。
The raw material of East Wuyi Tea King is the thick fleshy leaves whose bud is radiant with light red. In the sunlight, reflecting from the rock, it is sparkling with red glare.
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8. 经岩石化学及微量元素等的研究表明，这是一个由贫硅富铝的沉积岩经高级变质作用形成的矿床。
Based on the investigation by petrochemistry and trace elements, It is regarded that this corundum deposit are formed…
According to the analyse of petrochemistry, microelement, lanthanon and cause of formation type of rock body, sum up the all sequences are S-type granitoid .
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10. 沙经沉积固结形成沙岩。
Sand was deposited which hardened into sandstone.
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11. 岩棉保温毡是以玄武岩及其它天然矿石等为主要原料，经高温熔融成纤，加入适量粘结剂加工而成的。
Rock wool carpet is insulation and other natural basalt ore, etc as the main raw material, by high temperature melting into fine, join the amount of processing from the binder.
Rock wool insulating tubes is basalt and other natural ore, etc as main raw materials, by high temperature melting in a fiber, stir-in binder, curing processing and is made.
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13. 蛇绿岩中伸展变形构造经历了完整的变形序列：从韧性变形、经韧脆性变形到脆性变形。
These extensional structures underwent the integrated processes from ductile deformation, through ductile-brittle deformation to brittle deformation.
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14. 竹叶石为砾屑灰岩经风化与岩溶作用而形成的块石。
Bamboo stone for calcirudite by weathering and karstification and the formation of the stone.
The geologic analysis shows that in Xia-38 oilfield of Jiyang depression in Bohai Bay basin, diabase is a possible source rock and crude from it could be inorganic oil.
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16. 经后期区域变质作用使磷块岩变质成磷灰岩矿床。
Through late regional metamorphism, the phosphorite was turned into the apatite deposit.
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17. 岩样经一定步骤的磁清洗、相应的磁性参数测量和数据处理，可恢复岩样在地下的原始方位。
The original orientation of the core in the formation can be obtained by magnetic cleaning test, magnetic parameter measurement and data processing.
The results show that the local unstability of Dayantang slope will not occur, and the minimum safety factor of the entire slope is about 1.143.
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19. 经对比、验证，对层位、岩性的判断基本清楚，可以满足探矿要求。
Comparison indicates clear judgement of lithological character and horizon, satisfying requirements for exploration.
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20. 石林是云南的一大自然景观。因暴露的石灰岩经长久的风吹雨打而形成千姿百态的形状。
Yunnan's prime natural wonder is Shilin, the Stone Forest, an exposed bed of limestone spires weathered and split into intriguing clusters.
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21. 太原群灰岩中的燧石结核或条带是在成岩作用阶段经硅质交代成因的。
In limestone of Taiyuan Group, Origin of nodular chert and banded chert is that they had been replaced in diagenesis phase.
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22. 经它处理过的岩块完全保持了原有渗透性和吸水率，抗压强度大大增加。
Rock masses treated with it retain their original permeability and water-absorption completely and have their compressive strength greatly increased.
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23. 这些特征表明层状混合岩是变质围岩经选择重熔交代而形成的。
So the results indicated that the layered migmatites are produced by anatexis and metasomatism of metamorphic wall-rocks.
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24. 岩棉板防水岩棉板岩棉是以精选的玄武岩为主要原料，经高温熔融加工制成的人造无机纤维。
Rock wool board waterproof rock wool board rock wool is a selection of basalt as the main raw material, by high temperature melting processing of artificial inorganic fibers made.
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25. 随机锚杆则根据地质结构面切割所形成的失稳岩体经计算确定。
The length of random anchor bolts is calculated on basis of a specific failure rack block formed by discontinuities.
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26. 经镜下成岩特征分析，哈得逊地区石炭系含油气储集层，可划分为六种成岩岩相。
Research for the diagenetic lithofacies is based on sedimentary facies, which stress on the observation of diagenetic characteristics in sedimentary rock.
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27. 泥岩经压实固结成岩后，其孔隙度变小，从开始具有封闭能力，到封闭能力逐渐变好。
After its compaction into rock, mudstone has lower porosity and its sealing capability becomes better.
Fangniushan quartzite series consist of coarse terrigenous clastic rock which has been suffered the metamorphism of low green schist facies, contact lines of its top and base are distinct.
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29. 经钻探，在该区中生界流纹岩中发现了油气藏。
Hydrocarbon reservoir is discovered in the Mesozoic rhyolite by drilling.
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30. 经钻探，在该区中生界流纹岩中发现了油气藏。
Hydrocarbon reservoir is discovered in the Mesozoic rhyolite by drilling.
