The local maximum and minimum in reflectance spectral curve, corresponding to reflectance apex and Absorption apex, can be used to retrieval also, but effective matching strategy should be adopted.
基于光谱特征的检索可以通过提取反射和吸收光谱、光谱特征匹配的方法进行；
The differential curve of spectral reflectance assumes a hypsochromic shift.
在光谱反射率曲线的微分图上显示出蓝移。
The differential curve of spectral reflectance assumes a hypsochromic shift.
在光谱反射率曲线的微分图上显示出蓝移。
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