【摘要】 给出静态系统的一个分类表 ,给出分层系统的概念 ,对分层系统的几个问题——分层系统的性质、子分层系统和分层系统的基本问题——进行了讨论 ,最后简单地介绍了分层系统的应用 .更多还原

【Abstract】 In the paper a classification table on static systems is given, and the concept on stratified systems is given, and several problems on stratified systems —— properties on stratified systems, sub stratified systems and basic problems on stratified systems —— are discussed, and uses on stratified systems are simply introduced lastly.更多还原