对于有效期，请确保使用超出应用程序本身和相关应用程序预期生命期的时期。
For the validity period, make sure to use a period that exceeds the expected life of the application and related applications.
当项目划分为阶段时，同样的过程组一般在项目生命期的每一阶段都重复，并有效地推动项目完成。
When a project is divided into phases, the Process Groups are normally repeated within each phase throughout the project's life to effectively drive the project to completion.
由于传感器节点的能量主要消耗在传输数据上，所以减少节点数据传输量可以有效延长网络生命期。
As the energy of sensor nodes mainly is consumed in transmitting data, reducing the amount of data transmitted can extend the network lifetime.
在分析了LEACH,FSR算法的基础上，提出了一种基于二跳信息的分簇算法，以有效提高网络生命期。
Based on the analysis of LEACH algorithm and FSR algorithm, we propose a clustering algorithm based on binary-hop information.
传感器节点的合理布置可以有效延长系统生命期。
Optimum sensor node deploying may prolong system lifetime effectively.
作者还探讨了影响保函风险管理若干方面的现实因素，最终提出了保函生命期管理这一有效风险防范措施。
Based on above issues further discussion was carrying on to the part of risk control of a demand guarantee with real practice cases analysis.
作者还探讨了影响保函风险管理若干方面的现实因素，最终提出了保函生命期管理这一有效风险防范措施。
Based on above issues further discussion was carrying on to the part of risk control of a demand guarantee with real practice cases analysis.
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