strata
英 [ˈstrɑːtə]
美 [ˈstreɪtə]
stratum 的复数
复数：stratas
柯林斯词典
- (stratum 的复数)
Stratais the plural ofstratum.
双语例句
- By systematic study on some categories of biotic fossils discovered in the carboniferous strata of Laiwu coal field, the assemblage of Fusulinida and conodont of this area is established.
通过对莱芜煤田石炭系多门类化石的研究，建立了本区石炭系蜓及牙形刺组合带，在此基础上对其地层层序及生物地层的划分和石炭二叠系界线的确定进行了讨论。 - Mo abundance of strata and magmatic rocks is43 and21 times of Clark value, respectively.
矿区内地层和岩浆岩钼元素含量分别是克拉克值的43倍和21倍。 - This is a problem that cuts across all strata of society.
这是一个影响到一切社会阶层的问题。 - Particular strata of rocks can be approximately dated according to the presence or absence of certain fossils.
根据特定地层中现存和缺失的化石可以近似的估计年代。 - We can follow the history of life through the strata.
我们可以通过这一层层的地层跟踪生命的历史。 - Sedimentary rocks show pollen in very deep," Precambrian "strata.
水成岩指出了前寒武层的花粉传授。 - In this paper, mechanism of limb rotation in growth strata and technique of seismic facies analysis are used.
运用生长地层翼旋转机理和地震相分析技术对研究区的沉积类型、构造与沉积关系进行了分析。 - ( geology) of valleys and rivers; running in the direction of the dip in surrounding rock strata.
（地质学）指山谷或者河流；按倾斜进周围岩层的方向发展。 - Meteorite strike events have severe, great and long-term impact on strata structure of the earth surface.
历史上发生的陨击事件对地球表面岩层构造产生了极其严重、刻和长远的影响。 - Oil shale always has the accompanying relationship with overlying sedimentary tuff or other tuffaceous strata.
油页岩常与上覆沉凝灰岩或其它凝灰质岩石呈伴生关系。