Ordovician strata
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- 奥陶系
双语例句
- The Ordovician structure in the middle and east part of the Erdos Basin is a gently west-dipped large monocline.
鄂尔多斯盆地的中东部奥陶系今构造为一平缓的西倾大单斜。 - Finally the stratigraphic ages and correlation of the Ordovician lithostratigraphic units in the study area are discussed.
笔者认为，申扎组应被废弃，德悟卡下组底界应作修订，并对该地区奥陶系岩石地层单位进行了简要的时代讨论和对比。
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