研制出一种新颖的窄线宽、单偏振输出全光纤环形激光器，并给出了这种激光器的结构和技术性能参数。
A narrow linewidth single polarized all fiber ring laser has been fabricated. The structure and the technical parameters are presented.
为了提高传爆药柱起爆钝感弹药的能力，根据冲击波汇聚技术原理设计了环形传爆药装药结构。
In order to improve the ability of booster pellet to initiate the insensitive ammunition, the annular booster pellet is designed based on the technique of shock wave focusing.
论文介绍了一种利用圆环形滚轮测头测量复杂曲面的新技术，提出了反求曲面廓形数据点的测量原理。
A new measuring technique is presented which makes use of an annular roller probe to obtain the data of complex surface and the measurement principle is discussed.
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