因此项工作属于窗口服务类型，它具有涉及面广、政策性强、责任大、接触人员多等特点。
Since the work belongs to the type of window service, it has involved extensive, policy-oriented duties and responsibilities, more contact persons and so on.
计算机辅助工业设计(CAID)是未来工业设计的理想之路，它的应用开发涉及面广、难度大。
Computer aided industrial design (CAID) is of a great help to the future industrial designing. Because many fields are involved in this branch of study, the development of CAID is difficult and slow.
它具有隐蔽性强，涉及面广，破坏力大的特点。
It has a concealed, involves many aspects, the characteristics of great destructive power.
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