Studies on its segment structure and arithmetic help to build up the it requirement model for automobile parts suppliers , which analyzed in detail both internal and external e - manufacturing basic requirements of domestic automobile parts suppliers in collaborative commerce time 通過對其細分框架和算法的研究,構建了汽車零部件制造企業的信息技術需求模型。該模型具體分析了面對協同商務時代,中國汽車零部件制造企業的內部信息化和外部信息化的基本需求。
In contrast to what has been observed in other markets with a similar segmented structure , the china b shares and h shares trade at an average discount of about 75 % relative to the prices at which domestic a shares trade . there are only limited studies on this " strange " phenomenon 這兩種股票的價格表現差異很大,但與國外不同的是,外資股( b股或h股)的價格普遍低于普通股票( a股) ,折價程度大約為72 ,對中國這一特殊現象國內外學者至今沒有很好地解釋。