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1.A pear-shaped synthetic sapphire, ruby, or other alumina-based gem, produced by fusing and tinting alumina.
人造宝石一种通过将铝熔化和染色而制成的梨形合成蓝宝石、红宝石或其它矾土宝石收藏指正
2.By using a ruby laser, the Pulse Laser Holography, for its high-speed, real time, full view and contactlessness, is used to carry out the fast diagnosis of the behaviour of the synthetic fibers filament during the yar-texturing process.
利用脉冲激光全息术的高速、实时、全场和非接触测量的特点,作者采用红宝石激光全息照相,实现了对合纤长丝成纱过程快速诊断的应用研究,复丝成纱超快过程不同瞬间的成纱状态被记录于全息图上。收藏指正
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