白堊紀時期 的英文怎麼說

中文拼音 [báièjìshíqī]
白堊紀時期 英文
cretaceous period million years ago
  • 白 : Ⅰ形容詞1 （似雪的顏色） white 2 （清楚; 明白; 弄明白） clear 3 （空的; 沒加他物的） pure; clear; ...
  • 堊 : Ⅰ名詞（白堊; 白土） chalkⅡ動詞[書面語] （用白堊塗飾） cover with chalk; chalk
  • 紀 : 紀名詞（姓氏） a surname
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 白堊紀 : chalk
  • 時期 : period
  1. Only in the tropics were numerous late cretaceous groups extinguished during peaks in their evolution.

    只是熱帶地區才有大批晚白堊紀生物類群正值其演化的極盛時期突然消亡。
  2. Multistage structural deformations are experienced in kongquehe area, the basical fault systems of nww - near ew, nne - near sn, nnw and nee are established, the fault movement has the characteristics of multistage and inheritance, in the area multi - structural deformations are experienced in sinian to early ordovician, early ordovician - silurian, jurassic cretaceous - caenozoic, etc. late structural deformation shapes are changed for different levels of formar structural layer, in which different deforming shapes are created and integrated overlying of deformation is induced

    摘要孔雀河地區經歷了多期次的構造變形作用，形成了現今北西西近東西向、北北東近南北向、北北西向和北東東向基本斷裂體系，同時斷裂活動表現為多期性和繼承性的特點；該區經歷了震旦紀至早奧陶世、早奧陶世末志留紀、侏羅系、白堊紀新生代等多期構造變形作用，且後期的構造變形作用在不同程度上對前期的構造層的變形樣式有所改造，形成了有一定差異的變形面貌，造成變形的復合登加。
  3. And the hydrocarbon - generating is mainly from late cretaceous to tertiary, while traps formed mainly from late cretaceous to tertiary, prior to the hydrocarbon migration or simultaneously, with a fine coordination on the duration

    主要生烴階段發生在晚白堊-第三紀，圈閉的主要形成期在晚白堊紀-第三紀，圈閉形成時間基本早於或同時于油氣運移時間，具有較好的時間配套關系。
  4. The prints are believed to have been made during the cretaceous period of the mesozoic era, kim said in a statement

    這些足跡被認為是在中生代白堊紀時期由當時鳥類留下的。
  5. Era a unit of the geological time scale that is made up of several periods, e. g. the mesozoic era comprises the triassic, jurassic, and cretaceous periods

    代：量度地質時期的分類單位，代由若干時期組成，如中生代包括三疊紀、侏羅紀和白堊紀。
  6. This clam fossil is from the cretaceous period, approximately 100 million years ago

    這個蛤化石來自大約一億年以前的白堊紀時期
  7. The cretaceous is a typical period for greenhouse climate in geological history and has become an important paleoclimate simulation period in international paleoclimate modeling community

    摘要白堊紀是地質史上一個典型的溫室氣候時期，國際上圍繞白堊紀氣候成因開展了一系列模擬研究。
  8. Under the guide of dynamic system for pool - forming and petroleum system, this research has fully taken advantage of every kinds of data from the area, applied the new idea, new technology, new methods to study tectonic, sedimentary and resource rock. the results suggest that the source rock of permo - carboniferous has undergone three evolution periods. the first gas generation occurs at the end of triassic and the generation stopped during jurassic - cretaceous

    該文以成藏動力學系統和含油氣系統理論為指導，充分利用工區以及鄰區的各種資料，運用新思路、新技術、新方法，在構造、沉積、烴源巖評價等基礎地質研究的基礎上，認為石炭?二疊系烴源巖經歷了三疊紀末期以前的一次生氣階段、侏羅紀?白堊紀時期的演化停止階段和早第三紀至今的二次生氣階段等三個階段。
  9. In addition, the mafic dykes of hainan island were formed in an intraplate extensional environment, similar to the mafic dykes in north guangdong and fujian coastal areas, all suggesting an extension regime tectonic in southeastern china during cretaceous

    白堊紀基性巖脈（ 81 135ma ）形成於板內拉張環境，與粵北、福建沿海地區的白堊紀基性巖脈共同指示了中國東南部白堊紀時期處于拉張的構造環境。
  10. Qinglong fault zone evolved successively by phases in a long term : it probably formed in the late period of paleoproterozoic and rejuvenated in a large scale during jurassic and cretaceous

    青龍斷裂帶形成時間早，演化過程具長期性、階段性和繼承性特點，斷裂帶可能形成於早元古代末期，侏羅紀?白堊紀時，斷裂帶大規模復活，右行走滑作用為主要活動機制。
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