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
- 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。 - 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。 - 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。 - 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。 - First, we analyzed the control action of the thick-hard strata on surface subsidence.
基于采场覆岩空间结构理论，分析厚硬岩层组在控制地表沉陷中的作用。 - 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。 - 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。 - Erosion of gently dipping strata commonly results in the formation of asymmetrical ridges known as cuestas.
轻微倾斜地层的侵蚀通常造成非对称的山脊，称为单面山。 - We will make certain assumptions about the properties of the intruding magma and of the intruded strata.
我们对入侵的岩浆和被侵入地层的性质做某些假定。