1.  Archean
2.  Archaean
3.  Archaeozoic era
4.  Archeozoic
5.  archaeozoic

• 1. 太古代: archeozoic era | archaean era | Archeozoic Era Archeozoic | arch
• 2. 新太古代: Neoarchean
• 3. 古太古代: Paleoarchean | Palaeoarchaean

更多释义

• 1.鄂东北大别杂岩中的表壳岩系属于晚太古代层状变质岩系。
  The supracrustal sequences in the dabie complex in northeastern hubei belongs to a late archean stratified metamorphic sequences.
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• 2.如此低的硫酸盐浓度，表示太古代大气中的氧气极为稀薄。
  Such low levels of sulfate indicate that the archean atmosphere was virtually devoid of oxygen.
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• 3.地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。
  The history of Earth is divided into four eons —starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.
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