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
- 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。 - 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 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。 - 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, 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。 - 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。 - 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。 - 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。 - 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。 - 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。