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β-ray method atmospheric particulate monitor
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β-ray method atmospheric particulate monitor
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工学
β射线法大气颗粒物监测仪
释
β-ray method atmospheric particulate monitor
β射线法大气颗粒物监测仪
测量β射线穿透采样滤膜后的衰减量来反演滤膜上沉积颗粒物质量的仪器。测量结果不受尘粒的形状、大小、光折射率等特性影响。
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window for transmission of microwave energy
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window function method
window guidance
windowing
windowing of attention
windowless channel electron multiplier
windowless Geiger-Müller counter
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Windows,Icon,Menu and Pointing device
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