Description: management measures, implementation details, management system, process, specifications, requirements, provisions, operation manual, hierarchical relationship of program documents and scope of application. Rules and regulations mainly include management system and operation system. The management system is generally higher in level, wider in adjustment scope, more general and comprehensive, and is generally named after "management measures, management systems, policies and norms". The operational level system is generally formulated to implement the detailed management system, with low level, narrow adjustment scope and relatively specific provisions, and is generally named after "implementation rules, processes, requirements, operation manuals and procedures".