Traditional delivery approaches are based on phases of the system development life cycle with different organizations fulfilling a different part of the life cycle.
传统交付方法以系统开发生命周期为基础，不同的组织负责实现不同的生命周期部分。
Traditional delivery approaches are based on phases of the system development life cycle with different organizations fulfilling a different part of the life cycle.
传统交付方法以系统开发生命周期为基础，不同的组织负责实现不同的生命周期部分。
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