strata

英 [ˈstrɑːtə]

美 [ˈstreɪtə]

stratum 的复数

复数：stratas　

TOEFL医学

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。
• 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。
• ( 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。
• 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 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 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。
• 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。