【正文】 優(yōu)化 ABSTRACT It is known that people’s living environment and economic environment has been changed dramatically in the 21st century. Similarly, the environment of modern enterprise is different from the past, which no longer just relies on single products or services to pete with others, but to rely on a number of projects in portfolio management. Consequently, the internal management of the resulting also has been changed. The enterprise has always put sustained attention to the establishment and upgrade of the core petence during the course of management。與此相 適應(yīng)，現(xiàn)代企業(yè)的生存環(huán)境也不同以往，企業(yè)中再也不是靠單一的產(chǎn)品或 服務(wù)維持生存，而是依賴(lài)多個(gè)項(xiàng)目的組合管理，進(jìn)而內(nèi)部的管理變革 隨之 產(chǎn)生。 this is a eternal topic of the enterprise. It can be said that the core petence of enterprises is the engine of continuous development and the power of advancement in the fierce petition. The emergence of Multipr