A system is a group of connected parts that work together to do a job., , Size of parts → Parts can be big or small, , Purpose of parts → Each part has a job, , Importance of parts → Some parts are more important than others, , Number of parts → A system can have few or many parts, , Interconnection → All systems are connected and affect each other, , Example: A school system → students, teachers, classrooms, rules all work together, .

Systems

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

)
恢复自动保存：？