系统工程虽然是一门技术科学,它的应用范围却远超出工程技术的范畴。近十多年来的科学实践表明,系统工程已广泛地渗入到社会工程领域,从而和传统上属于社会科学的部门建立了密切的联系,对这些部门中的研究工作方法也产生了重大影响。尽管对系统工程的科学思想的作用不能低估,用定量的方法研究事物的特征和系统中各因素之间数量关系的演变 Although the system engineering is a science and technology, its application is far beyond the scope of engineering and technology. Scientific practice in the past decade or more has shown that systematic engineering has penetrated into the field of social engineering extensively and thus has established close ties with traditionally social sectors and has also had a significant impact on the methods of research and work in these sectors. Although the role of scientific thought in systems engineering can not be underestimated, quantitative methods are used to study the characteristics of things and the evolution of the quantitative relationship between the various factors in the system