| 1. | The introduction of geological time into our reasoning is of prime importance for petroleum exploration . 对石油勘探而言,把地质时间引入我们的推论是最重要的。 |
| 2. | Biochronology the measurement of geological time using biological events 生物年代学:使用生物学事件来测量地质学时间。 |
| 3. | The mathematical representation and their significance of geological timing with milankevitch theory 米兰柯维奇地质定年方法的数学表达及其意义 |
| 4. | The first and last appearances of particular fossil species represent specific moments in geological time 第一个以及最后一个出现的特定化石物种代表了在地质时间中的特定一段时间。 |
| 5. | As geological time is reckoned , man has so far existed only for a very short period one million years at the most 按照地质年代来计算,人类到目前为止只存在了一个极短的时期? ?最多100万年。 |
| 6. | Although the topography that we see seems to be permanent , it is , in terms of geological time , dynamic and only temporary 纵使如今所见的地貌看似恒久不变,事实上地表却展现著动态和短暂性的特质。 |
| 7. | Although the topography that we see seems to be permanent , it is , in terms of geological time , dynamic and only temporary 纵使如今所见的地貌看似恒久不变,事实上地表却展现著动态和短暂性的特质。 |
| 8. | Continental drift is now believed to reflect the movement over geological time of underlying plates in the earth ' s crust - the theory of plate tectonics 板块构造学说提出后,大陆漂移说又获得了新的含义,它反映了地壳运动和大州大洋的分布规律。 |
| 9. | Era a unit of the geological time scale that is made up of several periods , e . g . the mesozoic era comprises the triassic , jurassic , and cretaceous periods 代:量度地质时期的分类单位,代由若干时期组成,如中生代包括三叠纪、侏罗纪和白垩纪。 |
| 10. | Holocene ( recent ) the present epoch in the geological time scale , being the second epoch of the quaternary period , dating from the end of the last glaciation , about 10000 years ago , to the present day 全新世:在地质学上指第四纪的第二阶段的整个时期,它终止于最后一个冰川期,距今大约10000年。 |