因此，当遇到时间和预算压力需要削减项目时，项目经理应确定一种最佳的项目生命周期。

So when time or budget pressures seem to encourage taking short cuts, it's up to the project manager to identify and defend the best project life cycle for the job.

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短期内，我们相信很多客户为了压缩预算，都在利用软件升级到呼叫控制，来延长PBX设备的生命周期。

"Over the short term, we believe many customers are extending the life of their PBXs with software upgrades to call control in order to reduce budget outflows," Weckel added.

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本文通过引用对AC电力公司预算执行情况的审计案例，来证实基于项目生命周期理论的预算审计质量管理方法在实践中应用的可行性。

And, this paper quotes the case that ac power enterprise's budget audit to verify the feasibility of the budge audit project management method which base on the theory of life-cycle in practice.

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