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
- 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。 - The geological strata and it's basic constitute characteristics are also introduced.
概述了矿区巨厚土层的地层结构及其基本组成特点。 - Sedimentary rocks show pollen in very deep," Precambrian "strata.
水成岩指出了前寒武层的花粉传授。 - 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。 - 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。 - And adjustment in rock strata means that loose soil will sink or heave.
岩层的调整意味着松动了的泥土将会下沉或者鼓起。 - 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。 - 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。 - 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。