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衍射光栅 基本参数
Basic parameters for diffraction grating
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立式接触式干涉仪
Vertical contact interferometers
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自准直仪
Autocollimators
价格:¥0.00
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暗筒式日照计 技术条件
Specifications for the jordan sunshine recorder
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V棱镜折射仪
V-Prism refractomcter
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读数显微镜
Reading microscope
价格:¥0.00
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XDY—1型双道原子荧光光度计技术条件
价格:¥0.00
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