cretaceous
英 [kr?'te???s]
美[kr?'te??s]
- adj. 白堊紀(jì)的；似白堊的
- n. 白堊紀(jì)；白堊系
實(shí)用場景例句
- Only in the tropics were numerous late Cretaceous groups extinguished during peaks in their evolution.
- 只是熱帶地區(qū)才有大批晚白堊紀(jì)生物類群正值其演化的極盛時(shí)期突然消亡.
辭典例句
- The Cretaceous extinction was like a terrible streak of bad luck lasting millions of years.
- 白堊紀(jì)的生物絕滅,猶如一場持續(xù)千百萬年的可怕厄運(yùn).
辭典例句
- The story takes place 6500 years ago in the Cretaceous period.
- 故事發(fā)生在6500萬年前的白堊紀(jì)晚期.
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- So the researchers resorted to some techniques out of a Cretaceous CSI.
- 所以科學(xué)家只能借助于《犯罪現(xiàn)場調(diào)查:白堊紀(jì)篇》用到的技術(shù).
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- NEW EARLY CRETACEOUS LALACID FROM JINGXI BASIN OF BEIJING, CHINA ( HOMOPTERA: FULGOROIDEA )
- 北京京西盆地早白堊世同翅目化石一新屬 ( 同翅目: 蠟蟬總科)(英文 )
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- From the view of stratigraphy, they all belong to the Cretaceous period.
- 從地層學(xué)上看, 它們都屬于白堊紀(jì).
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- Upper Cretaceous : Including the Sifangtai Formation — Minshui Formation, corresponding to the Cenonian — Maestrichtian.
- 四方臺(tái)組—明水組為白堊系上統(tǒng), 相當(dāng)于賽諾—梅斯特利克蒂階(Senonian—Maestrichtian).
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- An image feet of live mainly in Jurassic and cretaceous.
- 蜥腳形類主要生活在侏羅紀(jì)和白堊紀(jì).
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- Mineral, palaeontology, middle devonian, permian to early jurassic, and cretaceous.
- 收藏礦物 、 古生物學(xué) 、 中泥盆紀(jì) 、 二疊紀(jì)到早期的侏羅紀(jì)和白惡紀(jì).
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- Xihu depression is a cretaceous - tertiary basin undergoing multi - episodic tectonism.
- 西湖凹陷是經(jīng)歷多期構(gòu)造作用的白堊 - 第三紀(jì)盆地.
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- Chagan Depression is a rift subsidence basin, which has developed cretaceous hydrocarbon.
- 查干凹陷為一白堊紀(jì)斷陷湖盆, 發(fā)育白堊紀(jì)含油氣系統(tǒng).
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- Cretaceous sandstone and Eogene mudstone are the main reservoir and caprock.
- 油氣從油氣田東部注入,由東向西運(yùn)移并差異聚集,依次形成凝析氣藏、帶油環(huán)凝析氣藏和揮發(fā)性油藏.
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- The facies types of the Lower Cretaceous are mainly delta, lake and turbidity.
- 下白堊統(tǒng)的扎賚諾爾群的沉積相的主要類型為三角洲相, 湖相和濁流相.
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- The prototype of Zhoukou Cretaceous basin should be of foredeep basin.
- 白堊紀(jì)周口盆地的盆地原型應(yīng)是山前凹陷盆地.
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- A NEW EARLY CRETACEOUS FAMILY FROM LIUPANSHAN , NINGXIA, CHINA ( INSECTA, TRICHOPTERA )
- 寧夏六盤山早白堊世一新科 ( 昆蟲綱, 毛翅目 )
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