It is throughout the maintenance phase that the software evolves the most.
软件的演进主要发生在整个维护阶段。
In particular to the maintenance phase of the lifecycle, you can use the WebSphere CloudBurst Appliance to apply both fixes and upgrades.
特别是在生命周期的维护阶段，您可以使用WebSphereCloudBurstAppliance来应用补丁和更新。
If the defect is not detected until the maintenance phase, it can cost up to 200 times more to correct it than it would have during the requirements phase. 2.
如果这个缺陷直到维护阶段才发现，那么修正它所花的成本比需求阶段修正的成本高200多倍。
This paper introduces the requirement phase, design phase, programming phase, test phase and maintenance phase of software engineering, and analyses some problems in them.
简要介绍了软件工程中的需求阶段、设计阶段、编程阶段、检验和测试阶段、维护阶段，并对其中的一些问题作了探讨。
The multiple views modeling methodology is used to describe the layered modeling process from requirement definition, design explanation, implementation to operation maintenance phase.
分析了敏捷供应链的层次化建模过程，采用多视图方法从需求定义、设计说明、实施描述和运行维护等几个阶段对敏捷供应链进行建模。
Maintenance phase, we aim at enhancing customer value and extending online time.
客户维系阶段旨在提高客户在网价值、延长客户在网时间；
Maintenance phase, we aim at enhancing customer value and extending online time.
客户维系阶段旨在提高客户在网价值、延长客户在网时间；
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