ichnite

常见例句

• The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.
  其縂躰沉積特征爲:河道頻繁分支與遷移,發育各種沉積搆造及生物遺跡化石。
• Keywords Songliao Basin;Yaojia Member;ichnite fossil;sedimentary environment;
  松遼盆地;姚家組;遺跡化石;沉積環境;
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