The network lifetime optimization issue is investigated for bidirectional two-hop cooperative Orthogonal Frequency Division Multiplexing (OFDM) systems recruiting multiple relays.
该文研究双向两跳协作多中继正交频分复用(OFDM)系统的网络寿命优化问题。
Customer value Management is the ongoing dynamic optimization of the value of a portfolio of customers throughout their lifetime with your company.
顾客价值管理是指对客户群对于公司终生的价值不断的动态优化。
Through the choice of the materials and the optimization of ratio and formulae, the invention can meet the requirements of small current, high charging efficiency and long lifetime.
本发明通过上述材料的选择及配比、配方的优化，达到高温环境下小电流高充 电效率、长寿命的要求。
Through the choice of the materials and the optimization of ratio and formulae, the invention can meet the requirements of small current, high charging efficiency and long lifetime.
本发明通过上述材料的选择及配比、配方的优化，达到高温环境下小电流高充 电效率、长寿命的要求。
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