abundance index造句

• Through constructing a resource abundance index representing energy and resources , the paper puts emphasis on examining the relationship between natural endowments and economic growth in various provinces
  论文通过构建一个以能源资源为代表的资源丰裕度指数，重点考察我国不同省份之间资源禀赋与经济增长的相互关系。
• The studying method of flora adopted by this thesis are follows : the statistics of the dominant families and genera , along with single families and genera , abundance index ( ai ) , similarity coefficient of genus ( scg ) , floristic spectrum analysis ( fsa ) , principal components analysis ( pca ) , as well as agglomerative classification analysis ( aca )
  16 ；单种属占总属数的39 39 ，其种数仅占总种数的门26 ；而6个优势科中所含的种数占到总种数的903 ， 9个优势属中所含的种数占总种数的47