derivative ratio spectrum 比值导数波谱法 ; 比波谱导数
ratio spectrum derivative 比值导数法
derivative of ratio spectrum 比值光谱导数
order ratio spectrum analysis 阶比谱分析
ratio spectrum and derivative 比光谱导数
First derivative ratio spectrum 比值光谱一阶导数
This paper mainly treats the order ratio spectrum analysis (ORSA) and its application to the realtime fault diagnosis of the car-starters.
本文主要论述阶比谱分析方法及其在汽车起动电机故障实时诊断中的应用。
The effect of different zero crossing wavelengths on determination of mixed colorants in food under the same divisor factor in derivative ratio spectrum were discussed.
探讨比值导数波谱法中相同除数因子下的不同零交点波长对食品混合色素检测的影响。
The research said this could mean that for every three cases of autism spectrum that are diagnosed, there may be another two that are undiagnosed, giving a ratio of known to unknown cases of 3:2.
这项研究认为，这个发现可能意味着每三例有诊断的情况，就有另外两例没有诊断的情况，诊断和未诊断的比率是3：2。
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