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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。