palaearctic中文什么意思

adj.
旧北极的，古北区的〔包括欧洲、非洲、北回归线以北的阿拉伯以及喜马拉亚山脉以北的亚洲部分〕。

• palaearctic province:    旧北域
• palaearctic realm:    古北区
• palaearctic region:    古北区

例句与用法

更多例句：  下一页

1. Among breeding birds , the rate of the palaearctic species and oriental species is 1 : 3 . 87 , which showes more characseristics of oriental realm
   在繁殖鸟中古北界种类与东洋界种类之比为1 : 3 . 87 ，偏重于东洋界。
2. Results there are 15 species of genus hydrotaea in hebei province , which all destribute in palaearctic and 5 species only in palaearctic
   结果在河北省发现齿股蝇属15种，古北区均有分布，其中5种仅在古北区有分布。
3. Conclusion the species of genus hydrotaea in hebei province make up 30 . 00 % of known hydrotaea in china and have a palaearctic distribution
   结论河北省齿股蝇属昆虫种数约占该科全国已知种数的30 . 00 % ，属于古北区系。
4. Up to the present 239 species of the genus have been known from the world . they are mainly distributed in the palaearctic , nearctic , oriental , ethiopian region
   迄今为止，该属全世界共记载239种，为世界性分布，但主要分布于古北区、东洋区、新北区和非洲区。
5. Located in the interior of yaku island , at the meeting - point of the palaearctic and oriental biotic regions , yakushima exhibits a rich flora , with some 1 , 900 species and subspecies , including ancient specimens of the sugi ( japanese cedar )
   屋久岛位于古北区和远东生物区的交汇点，该岛拥有丰富的植物资源，大约有1 , 900种（亚种）植物，包括古老的杉树样本（日本杉） 。