Optimum sensor node deploying may prolong system lifetime effectively.

传感器节点的合理布置可以有效延长系统生命期。

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Minimizing energy consumption to prolong the system lifetime is one of major design objectives for WSNs.

节能以延长网络寿命是无线传感器网络的一个主要设计目标。

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Moreover, the stochastic monotonicities and the aging properties of the system lifetime are studied in this model.

继而研究了在该模型中系统寿命的随机单调性，并且进一步讨论了系统寿命的年龄性质。

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While the lifetime employment system helps ever-fewer workers, it continues to hobble Japanese business.

WSJ: Review & Outlook: Mr. Abe's 'Third Arrow'

While the lifetime employment system benefits ever-fewer workers, it continues to hobble Japanese business.

WSJ: Review & Outlook: Mr. Abe's 'Third Arrow'

Seniority promotion, the lifetime employment system and the dead hand of Japanese corporate bureaucracy are all anathema to the free-wheeling stock-option culture that attracts Chinese businessmen these days.

ECONOMIST: Japanese companies abroad