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
- 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。 - 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。 - The rebels came overwhelmingly from the poorest strata of rural society.
叛乱分子绝大多数来自农村的最贫困阶层。 - The paper introduced the blasting parameters and construction technology for small section tunnel in crumbly strata.
介绍了破碎岩层中小断面坑道的爆破参数和施工技术。 - 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。 - 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。 - ( 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。 - 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。 - 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。