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单词
SNR
释义
SNR
Encyclopedia
理学
【基本概念】
释
signal-to-noise ratio; SNR; S/N
信噪比
分析信号与空白信号（噪声）的波动的比值。分析信号指待测物经过分析测量获得的峰值；空白信号指无待测物的空白样品经与待测物相同分析条件测得的峰值，即噪声峰值。
理学
超新星遗迹
释
supernova remnant; SNR
超新星遗迹
超新星爆发时遗留的残骸，指星云状遗迹。
Astronomy
SNR
1、全称：signal/noise ratio; signal-noise ratio; signal to noise ratio。信噪比; 2、全称：supernova remnant; relic of supernova; remnant of supernova。超新星遗迹
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