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光透过率测试仪
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光透过率测试仪
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光透过率测试仪
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optical transmittance tester
光透过率测试仪
用于测量物体在某个光波长或某段波长的透过能力的仪器。采用紫外光源、可见光源或红外光源照射被测透明物质,用相应的探测器进行光强探测。透过光强与入射光强的比值即为透过率,用百分数表示,它反映了光经过整个光学系统或光学元件后的能量损失程度。
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mean evolute
mean extinction coefficient
mean fiber length
mean fictitious clock
mean field
mean field approach
mean field approximation
mean field game
mean field theory
mean-field theory
mean field theory in nuclear physics
mean-flux method
mean free collision time
mean free path
mean free path of electrons
mean free path of gas molecules
mean free path 平均自由程
mean free time
mean function
mean functional
mean geodesic curvature
mean grade of ore district
mean grain size
mean high water springs
meaning
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