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 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。
• 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。
• ( 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。
• 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。
• 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。
• 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。
• 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。