Using this model and the relevant dyadic Green's function, some characteristics of a rectangular patch antenna near resonance, such as radiation resistance and space wave efficiency, are analysed.

应用此模型，并结合分层介质中的并矢格林函数，分析了贴片天线的辐射阻抗、空间波辐射效率等特性。

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Team Li-ion's Wave II two-seater also earned a high fuel efficiency rating — the equivalent of more than 171 mpg.

锂离子队的浪潮II型双座跑车也获得了较高的燃油效率得分 - 等效于每加仑跑171英里以上。

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This reduces their efficiency, increasing the cost per kWh and preventing wave power from making progress.

这些改进降低了机器工作的效率、增加了发电的成本，还使得海浪发电技术停滞不前。

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Mr Llewellyn also questions the theory that building-society conversions will herald a wave of takeovers, leading to efficiency gains as overcapacity is cut.

ECONOMIST: Building societies

We are seeing a wave of new energy companies developing technologies focused on energy efficiency.

FORBES: Going Green: Investing In Consumer Focused Energy Tech

According to Mitsubishi the ADM vessels will also feature a high-efficiency hull and a newly designed bow shape that will reduce wave-making resistances.

FORBES: Archer Daniels Midland & Mitsubishi Team Up To Blow Bubbles