the modern camera lens may be coated with more than ten layers for each piece of its glass

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the modern camera lens may be coated with more than ten layers for each piece of its glass

the modern camera lens may be coated with more than ten layers for each piece of its glass
the modern camera lens may be coated with more than ten layers for each piece of its glass

the modern camera lens may be coated with more than ten layers for each piece of its glass
现代照相机的镜头上,每片玻璃上可能会镀着十层以上的物质.