英语词汇background spectrum怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	background spectrum
释义	background spectrum 简明释义本底谱线图网络释义 1 ?本底谱线图 ... background source本底源 background spectrum本底谱线图 background subtraction减去本底 ... 2 ?本底质谱图 ... background signal \|\| 本底信号 background spectrum \|\| 本底质谱图，本底匹线图 background survey \|\| 本底调查 ... 短语 1 OH background spectrum OH背景光谱 2 background mass spectrum 本底质谱 ; 本底质谱图 3 background gradient spectrum 背景陡度光谱双语例句 1 Analysis of the activated background spectrum shows that natural copper is an ideal shielding material in fast neutron nuclear reactions. 通过分析天然铜的活化本底谱，可以看出它是快中子核反应中的最理想的屏蔽材料之一。 2 The common used method of getting the absorption spectrum is to subtract the background spectrum from the transmission spectrum of the sample. 得到待测样品吸收光谱的通常方法是，将样品的透射光谱和不含样品的背景光谱进行差减计算。 3 The orthogonal projection coupled with visual smoothness of the background spectrum was applied in the quantitative analysis of 2-component copolymer. 运用正交投影技术，结合目视背景光谱平滑性，对二元共混物中各组分进行红外光谱定量分析。
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