Proterozoic 造句 / 例句

1. Proterozoic Eon
元古宙

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2. Usually the archeozoic and Proterozoic eras are grouped together and referred to as Precambrian in age. Precambrian rocks have been intensely deformed, metamorphosed and intruded, and are relatively barren of fossils.
通常太古代和元古代被归在一起而称作前寒武纪，前寒武纪的岩石多遭受强烈变形、变质或被岩浆岩侵入，岩石中缺少化石。

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3. The Proterozoic Era.
原生代，元古代

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4. Proterozoic group
元古界

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5. Proterozoic era
元古代

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6. In the geological time scale, there are five eras, the archeozoic which means "beginning life", the Proterozoic which means "fore life",
在地质年代表中共划分为5个代，太古代的意思是 “生命的开始”。元古代意即“生命之前”，

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7. proterozoic stratum
元古代层

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8. Another example of an ancient source sequence that may have expelled oil after a great lapse of time is the Proterozoic Riphean shale in the Ushakovka Suite, of the Kansk Basin-Irkutsk Amphitheater. Siberia, Russia.
经过很长时间的停歇之后才开始排油的古老烃源岩层序的另一个实例是俄罗斯西伯利亚伊尔库茨克艾姆菲赛特的坎斯盆地的元古代的里菲系乌沙科夫组页岩。

-- 来源 -- 汉英 - 翻译参考

9. Perhaps the Proterozoic Nonesuch shale of the Superior Basin holds the record as the apparently effective source sequence with the biggest time-spread between deposition and expulsion.
也许苏必利尔盆地的元古界农萨奇页岩，拥有有效烃源岩层序中由沉积到排烃时间最长的记录。

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10. Of, belonging to, or being the oldest and largest division of geologic time, preceding the Cambrian Period, often subdivided into the Archeozoic and Proterozoic eras, and characterized by the appearance of primitive forms of life.
前寒武纪的地质年代中最古老和最大的阶段的、属于这一阶段的或处于这一阶段的，其前为寒武纪期，寒武纪期又可细分为始生代和原生代，特征为原始生命形式的出现

-- 来源 -- 英汉 - 短句参考