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What is a ...
Scanning field mirror, also often called F-Theta field mirror or f-θ field mirror, is a specia... 查看更多 -
What is th...
The connection of the bandwidth of the filter is often used in bandpass filters (divided into narrow... 查看更多 -
Refractive...
Refractive index is an important concept in optics, which describes the characteristics of the chang... 查看更多