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Precambrian

美英
  • adj.【地】前寒武纪的
  • n.前寒武纪
  • 网络元古宙；前寒武层；前寒武纪地层

PrecambrianPrecambrian
英-汉英-英网络释义

Precambrian

前寒武纪

美国地理老师：“地球是上帝创造的。” ... Paleozoic 古生代 Precambrian 前寒武纪 Mesozoic= 中生代/第二纪 ...

元古宙

地球的地质年代排序_哈得斯伯爵_新浪博客 ... Ordovician O 奥陶纪 Precambrian 元古宙 Proterozoic PR 原生代 ...

前寒武层

所有这类岩石被称为“前寒武层”（Precambrian），表示它们的生成年代可以追溯到地球上开始出现生物之前35亿年历史的四分 …

前寒武纪地层

他说：“我们可以在任何地方对前寒武纪地层（Precambrian）进行研究。” 据说，他在俄罗斯读研究生时就开始进行古地磁研究 …

前寒武记

INDEX ... Pre-frontal squall l 锋前飑线 Precambrian 前寒武记 Precipitable water 可降水 ...

隐生宙

美国大学翻译中文67 - DuSystem Forum... ... 隐生宇宙 cryptobiotic 隐生宙 Precambrian 隐瞒 camouflage ...

例句：
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"Plumes" from deep mantle do not operate in the modern Earth and did not operate in Precambrian time.
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Chemical fossils (e. g. alkanes and porphyrins) are often the only evidence for life in rocks of PRECAMBRIAN age.
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The Precambrian metamorphic rocks in Northern Fujian are the important part consisting of the Cathaysian palaeocontinental basement.
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The first three eons, which together lasted nearly 4 billion years, are together known as the Precambrian.
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Initial Sr isotope ratios show that the ore materials of the deposit were derived from the host rocks or Precambrian basement.
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Precambrian BIF iron ore deposit can be divided into two types, Algoma-type and Lake Superior-type.
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These findings are not of Precambrian animals themselves, but of their tracks. And these, paradoxically, may be more useful.
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The argument that the Nyalam Group represents the whole Precambrian strata in the Himalaya area is worth discussing.
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Among them the Precambrian and Cenozoic eras are the main metallogenic epochs in the world.
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The first three eons, which together lasted nearly 4 billion years, are grouped into a unit called the Precambrian.
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This is illustrated by the fact that on Earth most of the Precambrian record is preserved in such lithologies.
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Selected Papers on Precambrian iron Deposits.
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The origin of lichens dated back to the Precambrian.
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The Precambrian crystalline rock series in the Yadong area is previously called "the Nyalam Group" .
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They are controlled by shear fracture belt of epimetamorphic rock series of Precambrian Period.
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After the Precambrian, there are three eras setting apart on their fossil records of dominant life.
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Fossil Records and Molecular Clock Study of the Time of Origin of the Precambrian Biologic Lineages
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Tectonic framework of North China Block and its cratonization in the early Precambrian
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