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

• ( 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。