taxa相关论文
A phylogeny of the Korean Echinochloa taxa derived from nuclear DNA internal transcribed spacer regi
...
...
The phylogenetic relationship of Hexapoda has been debated for a long time, which will be resolved mainly depending on t......
New fossil eccoptarthrids (Coleoptera: Curculionoidea) from the Yixian Formation of western Liaoning
One new genus and three new species of the weevil family Eccoptarthridae (Curculionoidea), Leptocar polychaetus gen. et ......
我国个人所得税制实施至今,对国民经济的发展起到了不可替代的作用,同时也日益暴露其不足之处.本文就如何改进现行税制,提出五种改......
文中用光学显微镜观察湿地藓属植物配子体和孢子体的外观形态、细胞形态以及解剖结构,并根据本属各种植物的主要特征对其进行分类.......
本文建立了一个静态税收可计算一般均衡 (CGE)模型 ,模拟中国的经济运行情况。在此基础上 ,从流转税制和所得税制两种不同类型的税......
期刊