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
- And adjustment in rock strata means that loose soil will sink or heave.
岩层的调整意味着松动了的泥土将会下沉或者鼓起。 - 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。 - Hence, strata control theory can be used in gas extraction and control of coal and gas outburst.
因此，可以利用岩层控制理论指导瓦斯抽采和预防煤与瓦斯突出的发生。 - 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。 - Sedimentary rocks show pollen in very deep," Precambrian "strata.
水成岩指出了前寒武层的花粉传授。 - This model provides a unified idea and method for study of pressure in longwall mining and strata movement.
组合岩梁模型的建立，为采场矿压和岩层移动的研究提供了一种新的思想和方法。 - The destruct height of overlying strata is linearly correlation with the compression rate of gangue backfilling.
覆岩破坏高度和矸石充填体压缩率成正线性相关。 - 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。 - Through analyzing variation of soluble anions in near-surface soil, we can track the oil-gas information underlying strata.
通过一定技术手段分析近地表土壤中的可溶态阴离子的含量变化特征，就可以追踪下伏对应地层的含油气信息。 - 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。