查询词典 Annularia
- 与 Annularia 相关的网络例句 [注:此内容来源于网络,仅供参考]
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New data reveal that the age of the so-called Gigantopteris Coal Series indifferent places of South China is not exactly the same and ranges from the late LowerPermian to the close of the epoch,while several elements of the Gigantopteris-Flora,such as Gigantopteris,Pecopteris,Annularia,Lobatannularia and Paracalamites mays...
新的资料证实,这一含煤地层的时代在各地不尽相同,它起自早二叠世晚期——茅口期并一直延续至二叠纪末。对二叠纪古气候所作的概略分析表明,整个二叠纪在华南都是成煤期,只要古地理条件有利,在早二叠世的栖霞期和茅口期以及晚二叠世的龙潭期和长兴期都可以生成煤层。
- 推荐网络例句
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In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.
在使用帆船的时代,船员们担心他们会因为无风而无法在海洋上航行。
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As long as foreign donors pay the PA's salary bill, few expect a new intifada.
只要外国继续为巴权力机构的薪水买单,希望发动新暴动的人便寥寥无几。
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Speak with contempt of none,form slave to king,the meanest bee,and will use,a sting.
别用 言词贬低任何人,无论国王还是奴隶。最卑戝的蜜蜂也会用它的毒针蜇人。