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。
• 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。
• Erosion of gently dipping strata commonly results in the formation of asymmetrical ridges known as cuestas.
  轻微倾斜地层的侵蚀通常造成非对称的山脊，称为单面山。
• 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。
• 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。
• 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。
• 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。
• 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。
• ( 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。