A sample of each coating is expozed on an Eastman 1B sensitometer and to a wedge spectrograph.
各涂层样品用1B感光仪对着光楔摄谱仪曝光。
A sample of each coating is expozed on an Eastman 1B sensitometer and to a wedge spectrograph.
各涂层样品用1B感光仪对着光楔摄谱仪曝光。
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