● ● Basic Concepts Software Characteristics 。 Software is developed or engineering,it is not manufactured in the classical sense. 软件是由开发或工程化而形成的，而不是传统意义上由制造 产生的。 ·Software doesn't "wear out'” 软件不会“磨损” Although the industry is moving toward component-based assembly,most software continues to be custom build. 大多数软件是自定的，而不是通过已有的构件组装起来的。Basic Concepts Software Characteristics • Software is developed or engineering, it is not manufactured in the classical sense. 软件是由开发或工程化而形成的，而不是传统意义上由制造 产生的。 • Software doesn’t “wear out”. 软件不会“磨损”。 • Although the industry is moving toward component-based assembly, most software continues to be custom build. 大多数软件是自定的，而不是通过已有的构件组装起来的