strata
英 [ˈstrɑːtə]
美 [ˈstreɪtə]
stratum 的复数
复数：stratas
柯林斯词典
- (stratum 的复数)
Strata is the plural of stratum .
双语例句
- 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。 - 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。 - 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。 - 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。 - ( 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。 - 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。 - 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 influence factor to the refract rate have the degree of the crack, filling and geologic strata depth.
影响折射波的速度因素主要为孔隙度，孔隙中充填物及地层的埋躲深度。 - 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。 - 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。 - 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。 - 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。 - 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。 - The geological strata and it's basic constitute characteristics are also introduced.
概述了矿区巨厚土层的地层结构及其基本组成特点。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - ( 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。 - 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。 - 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。 - The results indicate that the natural gas of the Xujiahe Formation mainly derived form the lower strata.
结果表明，研究区须家河组的天然气主要来源于下伏地层。 - 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。 - 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。