7.in Permian,it had developed and formed a typical Cathaysian flora and was an important part of late Paleozoic Cathaysian flora.

 
  • 二疊紀時(shí)已發(fā)展為典型的華夏植物區系的性質(zhì),是晚古生代華夏植物區系的重要組成部分。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan