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低温下晶体透射率的试验方法
Method for testing cryogenic transmissivity of crystals
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晶体折射率的试验方法
Method for testing refractive index of crystals
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几何光学术语、符号
General terms and signs for geometrical optics
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光学仪器用变光阑片基本参数
The basic parameter for diaphragm plate of optical instrument
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光学仪器产品型号命名方法
Type of optical instrument product
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显微镜光谱滤光片 基本规格
Microscopes -- The fundamental specification for spectral filters
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显微镜 光学显微术通用浸油
Microscopes -- Immersion oil for general use in light microscopy
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光学仪器用目镜螺纹
Ocrlar screw thread for optical instruments
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光学仪器用齿纹
Insection for optical instruments
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