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- age of earth crust 地壳年代
- Undulation is one of the fundamental models of the geological effect , the undulation motion and variation inshape of earth crust is an geologic facts. 波动是地质作用的基本形式之一,地壳的波状运动和变形是客观存在的。
- Volcanic rocks of the Shangkuli cycle in early Cretaceous are high in potassium calc-alkaline series.The magma came from partial melting of earth crust. 早白垩世的上库力旋回火山岩为高钾钙碱性系列,岩浆来源于地壳的部分熔融;
- Formation of the unconformity was controlled jointly by differential deposit velocity, and depression velocity of earth crust, belonging to deposition uniformity. 该不整合面的形成由差异沉积速率和地壳的差异沉降作用共同控制,属于沉积型不整合面。
- Geologists have calculated the age of the earth. 地质学家已经计算出了地球的年龄。
- The measurement of earth tilt is an important method of studying earth crust deformation and its earth tide, which means much to Geodynamics and the observation of earthquake prognostic. 地倾斜测量是研究地壳形变及其固体潮的一种重要手段,它对地球动力学研究和地震前兆观测都具有重要意义。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- I don't think he looks his age of seventy. 我感到他看起来不像70岁的人。
- The machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- The age of majority is eighteen. 成年的法定年龄是18岁。
- Li Huimin, Li Huaikun, Lu Songnian.Ore forming age of the Dongping gold ore: The U - Pb zircon dating of the hydrothermal zircon in the ore vein[J].Journal of Earth, 1997, 18(Sup. ) : 176 - 178. [6]李惠民;李怀坤;陆松年.;用矿脉中热液锆石的U-Pb定年确定东坪金矿的成矿时代[J]地球学报;1997;18(增刊):176-178
- The bulldozer leveled the mound of earth. 推土机把土堆铲平。
- He ran away from home at the age of thirteen. 他十三岁那年就离家出走了。
- The farmer examined a handful of earth. 那个农夫察看了一把泥土。
- At the age of thirty, Mary began to lose colour. 玛丽在30岁的年纪就红颜渐逝了。
- She was orphaned at the age of ten. 她在十岁时成为孤儿。
- INVESTIGATION ON THE WAVELIKE MOVING MECHANISM OF EARTH CRUST 地壳波浪运动机制探讨
- My father retired at the age of 60. 我父亲六十岁时退休了。
- My grandmother got married at the age of seventeen. 我的祖母十七岁就结婚了。
- He was already balding at the age of 25. 他25岁就秃顶了。