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
- In this paper experiments of image segmentation on Quaternary strata are made on RS image by morphologic methods.
利用数学形态学的方法对遥感影像的第四系地层进行了影像分割实验。 - 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。 - ( especially of metamorphic rock) having thin leaflike layers or strata.
（特别是指变质岩石）有像叶子一样的薄岩层或者地层。 - These deposits are in unconformable contact with the underlying coal-bearing strata of the Shahezi Formation.
矿床与下伏沙河子组煤系地层呈不整合接触。 - 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。 - It describes the trends among the various strata in the countryside.
这个材料描绘了农村中各个阶层的动态。 - Sedimentary rocks show pollen in very deep," Precambrian "strata.
水成岩指出了前寒武层的花粉传授。 - Radiolaria discovered in Devonian strata of nandan-dachang area, guangxi.
广西南丹-大厂地区泥盆系中发现放射虫。 - The application to constrain strata age is illustrated by dating the Cretaceous sediment in western Qinling Mountain.
本文以西秦岭地区三岔&四店一带的白垩纪地层为例，说明该方法在制约地层年龄中的应用。