还是在此图中，每个角色显示为拥有一组skill原型技能属性的类。
Also in this diagram, each Persona is shown as a class having a set of skill prototyped skill attributes.
音乐教育的文化属性和技能属性并存的特性是客观存在回避不了的。
The characteristics of the cultural attribute together with the skill attribute in music education is objective existing and unavoidable.
这强调了软件工程的协作属性，因为多任务需要不同技能，不同背景的人们共同完成。
This emphasizes the collaborative nature of software engineering, because many tasks require that people with different skills, backgrounds, and stakes work together.
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