同根派生 geological era相關(guān)詞英漢例句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(diǎn)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(zhì)縣境地層出露按地質(zhì)年代，有7個系（紀(jì)），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(dāng)今世界，政治家之間的對話在氣候變化問題上實(shí)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(xué)單位:地層學(xué)中的一個單位,尤指包括在同一地質(zhì)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(jìn)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(zhì)時代。geological era更多例句