Determination of key parameters in the design of spot place in the middle of single seam mining area 单一煤层采区中部甩车场设计中一个关键参数的确定
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This paper introduces a new method to measure the intensity distribution of single seam diffraction by replacing the silicon photocell and light activated diode with light activated triode 摘要利用光敏三极管代替硅光电池和光敏二极管来测试单缝和双缝衍射的光强分布。