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primary standard of diffuse transmitted visual
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primary standard of diffuse transmitted visual
Encyclopedia
工学
〔材料光学特性计量〕
释
primary standard of diffuse transmitted visual
漫透射视觉密度基准
用于复现、保存和传递漫透射视觉密度单位量值的装置。简称视觉密度基准。
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Wilderness Area
wilderness area
wilderness rescue
wilderness survival
Wild evaporimeter
Wild Flowers by the Road
Wild Flowers of China
wild fruit tree
Wild Geese and Reeds
Wild Geese Descending on the Sandbank
wild ginseng
wild goose
Wild Grass
Wild Grass Soceity
wild group
wild knot
wildlife allowed for commercial utilization
wildlife domestication and breeding center
wildlife management
wildlife monitoring
wildlife monitoring by line transect method
wildlife monitoring by point sampling method
wildlife monitoring by quadrat sampling method
wildlife park
wildlife picture index
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