... step meter rate ==> 级差电费制,用电量递减收费制 step method ==> 光阶法 step micrometer ==> 阶梯型测微计 ...
基于16个网页-相关网页
一阶导数光谱法 The first order derivative spectorphotometry ; the first derivative uv-spectrophotometry ; the first derivate spectrometry
二阶导数光谱法 Second order derivative spectrophotometry
三阶导数光谱法 Third derivative ultraviolet spectrophotometry
一阶光谱导数法 first derivative spectrophotometric method
二阶导数光度法 second-derivative spectrophotometry
紫外一阶导数光谱法 uv first derivative spectroscopy
比值光谱一阶导数法 Derivative of ratio spectrum method
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