• 结果表明抽运方案可以有效降低铯原子束中的

    The results show, the light frequency shift can be effectively reduced in the sharp Angle laser light pumping scheme.

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  • 牛顿望远镜反射折射望远镜都有一个次级反射(反射镜),它们阻挡一部分反射镜的发射

    Newtonian and catadioptric telescopes have secondary (or diagonal) mirrors that obstruct a small percentage of light from the primary mirror.

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  • 目的矫正不正,矫治隐

    Objective:To Remedy ametropia and strabismus of children.

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  • 依据浦几何理论输出功率效率等优化标准,通过数值计算得出了泵浦,输出透过最佳参数

    Taking output laser power, slope efficiency as optimizing criterion, we achieve output optimal mirror transparency and pump lights parameters by numeric computing according to rate equation theory.

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  • 本文研究向场下双层薄膜波导中导静磁正向之间相互作用

    The present paper mainly studies the interaction between the guided optical waves (GOWs) and magnetostatic forward volume waves (MSFVWs) in a double layered waveguide under inclined magnetic field.

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  • 基于同轴送粉技术提出熔覆支撑偏移堆积方法

    Based on the internal laser coaxial-powder feeding technology, it brought up a method of laser cladding inclined wall accumulation without support.

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  • 论与眼镜相比,渐进多焦近视眼镜的配戴不会增加青少年近视患者外隐量。

    Conclusion Wearing progressive multi-focal spectacles will not increase the phoria degree in the teenager nearsighted.

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  • 介绍一种根据出射平行度要求计算棱镜误差方法

    A calculation method to calculate the surface shape error of rhombic prism according to parallelism demand of emergent beam is introduced.

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  • 介绍一种根据出射平行度要求计算棱镜误差方法

    A calculation method to calculate the surface shape error of rhombic prism according to parallelism demand of emergent beam is introduced.

    youdao

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