1·By following the fossils, Smith was able to put all the strata of England's earth into relative temporal sequence.
通过研究这些化石，史密斯能够把英国土地所有的地层按相对的时间顺序排列起来。
2·Instead, they are other volcano types, like strata volcanoes, for example, which are a result of the tectonic plate movement.
相反，它们是其他类型的火山，比如地层火山，是板块运动的结果。
3·As he collected fossils from strata throughout England, Smith began to see that the fossils told a different story from the rocks.
当史密斯在英国各地的地层中收集化石时，他开始发现这些化石讲述的故事与岩石不同。
4·While rock between two consistent strata might in one place be shale and in another sandstone, the fossils in that shale or sandstone were always the same.
存在于两个相连地层之间的岩石，可能在这一层是泥板岩，而在另一层中是砂岩；但存在于泥板岩或者砂岩中的化石往往都是相同的。
5·He later worked on similar jobs across the length and breadth of England, all the while studying the newly revealed strata and collecting all the fossils he could find.
后来，他继续从事相似的工作，足迹遍布整个英国；与此同时，他不断研究那些新近露出的地层，并且收集所有能找到的化石。
1·We can also observe them in certain strata of our own society, especially in show business and among the very wealthy.
我们也可以在我们社会的一些阶层中观察到它们，特别在演艺界和非常富有的人群中。
2·The large majority of our children belong, as I already mentioned, to the most vulnerable strata of the Venezuelan population.
我们这些孩子中绝大多数人，正如我之前所提到的那样，来自于委内瑞拉最脆弱和贫困的那个阶层。
3·Obesity does not occur evenly across all socio-economic strata in the U.S.; it is far more prevalent in middle to lower income groups.
而肥胖在美国各社会经济阶层的发生率并不平均，以中等和中等以下收入群体为最多。
4·Lara's social mobility sees her straddle various strata of wealth throughout the story.
贯穿整个故事，Lara的社会流动性见证了她横跨了不通的阶层的财富状况。
5·An important duty of the strata corporation is the duty to obtain appropriate insurance.
公司的一个阶层的重要职责的责任是获得合适的保险。
1·Allocation of samples in the strata.
样本量在层中的分配。
2·The occurrence of variegated polymictic conglomerate sediment mud cracks gypsum strata and so on can provide evidences for aridity climate in western liaoning.
两剖面复成分砾岩杂色沉积、泥裂、石膏层等为该区可能存在的干旱气候提供了依据。
3·This paper also approached the design of toe-slab that is constructed on the covering strata of river.
本文还探讨了座落在砂砾覆盖层上的趾板设计问题。
4·First, let me tell you about Zarles Kreiger, who came from the lowest strata of the city.
首先，让我给你讲讲扎尔斯·克里奇的故事吧，他来自这个城市的最低层。
5·In mining engineering, strata models are often simulated by similar material simulation model, rock bending deformation and fracture damage is the serious problem.
而在采矿工程中，相似材料模拟的往往是层状模型，岩层的弯曲变形和断裂破坏是关键问题。