geological era

常見例句

• Cainozoic) The present geological era, beginning some 65 million years ago, and divided into two periods, the Tertiary and the Quaternary.
  這個時期的特點是出現(xiàn)了現(xiàn)代的生物體，特別是哺乳動物和有花植物。
• County geological formation exposed by geological era, there are 7 lines (JI), the Sinian, Cambrian, Ordovician, Silurian, Cretaceous, Tertiary, Quaternary.
  地質縣境地層出露按地質年代，有7個系（紀），即震旦系、寒武系、奧陶系、志留系、白堊系、第三系、第四系。
• It is above-reality because it covers a huge timespan, though not huge enough to exceed a geological era, for example, the current Fourth Glacial Period we’re in.
  在當今世界，政治家之間的對話在氣候變化問題上實現(xiàn)了新的穿越。
• A stratigraphic unit, especially a unit consisting of two or more formations deposited during a single geologic era.
  地層學單位:地層學中的一個單位,尤指包括在同一地質時期沉積的兩個或兩個以上地層的單位。
• Study is made on palaeozoic conodont fossil from Bachu Uplift and Awati Depression. 5 conodont fossil assemblage zones are identified.And their geological history and geological eras are discussed.
  對塔里木盆地西部巴楚斷隆、阿瓦提凹陷古生代產(chǎn)出的牙形刺化石進行了研究，建立了5個牙形刺化石組合帶，討論了其地史分布及其地質時代。
• Keywords Junggar Basin;Geological era;adscription;formation classification;
  準噶爾盆地;地質時代;歸屬;地層劃分;
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