利希曼：接下来你们必须要相信我，因为大家看不到雏鸟在飞。
LICHTMAN: You're going to have to take my word for it because we don't see it flying.
采用飞秒激光透明材料改性和飞秒激光双光子聚合技术制备了位相光栅和达曼光栅等微光学元件。
Femtosecond laser direct writing in transparent materials and the two-photon photopolymerization technology are used to fabricate the phase-gratings and Dammann grating.
我早就渴望漫步作者：杰拉德·曼莱·霍普金斯我早就渴望漫步春光永远不再消逝的地方，田野没有冰雹旋飞的地方，却有百合花飘舞。
I have desired to go by Gerard Manley Hopkins I have desired to go where springs not fail, to fields where flies no sharp and sided hail, and a few lilies blow.
本文介绍了达曼类滤波器的飞秒激光时空变换整形与识别技术的研究进展。
Progress on femtosecond pulse shaping with space-time conversion technique and recognition for Dammann-type filters is analyzed in this paper. We designed the multiple pulses Dammann-type filter.
本文介绍了达曼类滤波器的飞秒激光时空变换整形与识别技术的研究进展。
Progress on femtosecond pulse shaping with space-time conversion technique and recognition for Dammann-type filters is analyzed in this paper. We designed the multiple pulses Dammann-type filter.
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