The analytical expressions for the phase and group velocities of the axial optical field, accelerating potential and energy gain etc. are derived and are used to make numerical analysis.

给出了轴上光场的相速度和群速度、加速电位及电子能量增益等的解析表达式，并作了数值计算和分析。

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As a new memory tier for accelerating our workstations, Fusion-io's technology unlocked the potential of our tools and our creativity.

ENGADGET: Fusion-io announces ioFX, a super-SSD that's already garnered an Oscar

But the reports also signal that the market needs to look elsewhere for potential economic leadership if the tech sector is slowing rather than accelerating.

FORBES: Warnings From Tech Sector, Bad News For Economy

"If properly harnessed to unleash their full potential, these trends hold the promise of more growth, much less poverty, and accelerating shared prosperity for African countries in the foreseeable future, " said World Bank economist, Punam Chuhan-Pole.

BBC: World Bank: Africa's economic growth to outpace average