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首頁英語詞典cretaceouscretaceous實(shí)用場景例句

cretaceous

英 [kr?'te???s] 美[kr?'te??s]

英英釋義實(shí)用場景例句

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期突然消亡.

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).

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.

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).

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 )

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).

Upper Cretaceous : Including the Sifangtai Formation — Minshui Formation, corresponding to the Cenonian — Maestrichtian.: 四方臺組—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).

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).

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).

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.

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).

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.

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.

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.

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 )