1.  Archean
2.  Archaean

• 1. 太古代的: Archean | Archaean | archaeozoic | archaian
• 2. 原太古代的: Protoarchaeozoic
• 3. 后太古代的: Eparchean

更多释义

• 1.北大河岩群的蚀源区存在中-新太古代的古老陆壳。
  The data also imply that there are Meso- to Neoarchaean continental crusts in the source areas.
  dict.yoduao.com
• 2.鲁西晚太古代的侵入岩属无铕异常型，早元古代的侵入岩为负铕异常型；
  This type of graphite deposits were formend in the Late Archaean to Early Proterozoic.
  dict.yoduao.com
• 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.
  dict.yoduao.com

©2026 网易公司