The problem of “life and death” has been a confusing proposition of philosophy since long ago,for which philosophers b......

摘 要：方法正确，事半功倍。在总结几年的高三复习经验和高考命题的基础上对政治生活第二单元主观题命题方式进行一定的思考，归纳出关......

命令の働きかけモダリティの表現形式は命令の働きかけモダリティを成立させるのに欠くべからざる条件の一つである。本論文は命令......

The global economy is yet to rebound responsively from the profound impact of the international nancial crisis,while the......

In this paper, we present reduction algorithms based on the principle of Skowron’s discernibility matrix - the ordered ......

Groupon group-buying business model promotes the development of e-commerce market in China.This group-buying model has o......

用数学模型研究实际问题是现代科学研究的常用方法.通常采用的数学模型是各种方程.但是使用方程作为研究手段也存在着许多问题,例......