first order derivative 一阶导数 ; 一次导数 first-derivative spectroscopy 一阶导数光谱法 First temporal derivative of displacement 速度 ..
基于8个网页-相关网页
uv first derivative spectroscopy 紫外一阶导数光谱法
near-infrared reflectance first derivative spectroscopy 近红外反射一阶导数光谱
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