The functions including cooperation and support to product lifecycle management were emphasized. 系统功能强调协同功能和对产品生命周期管理的支持。
Though summative evaluations have their uses, they are product- and program-management activities conducted to inform product lifecycle planning. 不过总结式评估依然有其用途，它们可以作为产品管理和程序管理活动，并为产品生命周期计划提供信息。
