The entrance prism is made from optical plastic material.
所述入射棱镜由光学塑胶材质制成。
Though the rays appear to be emanating from the cloud, that is an optical illusion.
虽然乍看上去，光线似乎是由云层发出的，但实际上这只是一种光学假象。
Pattern conversion is the key technology for all-optical clock recovery from non-return-to-zero (NRZ) signal.
码型转换是实现非归零(NRZ)信号全光时钟恢复的关键技术。
Pattern conversion is the key technology for all-optical clock recovery from non-return-to-zero (NRZ) signal.
码型转换是实现非归零(NRZ)信号全光时钟恢复的关键技术。
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