The definition of similar quasi-direct sum of matrix is introduced. Andthe connection with group inverse is discussed. Some properties and applications are obtained.
首先引入矩阵的相似准直和的定义，讨论了它和群逆的关系，得到了一些性质和应用．。
2
Asset divestiture is a form of asset restructuring, in which enterprise sells some assets group to the third party and earns cash, quasi-cash or other revenues.
资产剥离是指企业将部分资产组合出售给第三方，并取得现金、准现金或其他收入的一种资产重组交易。
3
Research group is a task-oriented organization form with a particular characteristic in the quasi-formal organizations.