提出了一种连续可调、大衰减系数的激光能量衰减器。
We propose a continuously adjustable, large attenuation factor laser energy attenuator.
研究激光光束在井下空气介质中的传播规律，从理论和实践上探索和分析井下激光能量衰减的主要原因。
The propagation characteristics of laser beam in underground air medium were studied, primary causes of the laser energy decaying in the underground were explored theoretically and practically.
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