The system consists of six subsystems, which are human computer interface, kernel, sets theory, probability distribution, stochastic phenomena and help subsystem.
该系统包括六个子系统：人机界面、内核、集合论、概率分布、随机现象和帮助子系统。
2
Based on the theory of set pairing and the brittleness character of complex system, the brittle link between the subsystems was defined.
由复杂系统的脆性特点，依据集对分析理论，定义了子系统间的脆性联系。
3
Chapter three is the theoretical framework of Appraisal Theory, whose three subsystems, especially Attitude system are explained in detail.