An experiment has been done to verify the design by using HfO_2 and SiO_2. The experimental result shows that the band gap corresponds to wavelength band from 331.2nm to 350.4nm and the relative bandwidth is 5.63%.是什么意思_An experiment has been done to verify the design by using HfO_2 and SiO_2. The experimental result shows that the band gap corresponds to wavelength band from 331.2nm to 350.4nm and the relative bandwidth is 5.63%.在线翻译_英语_读音_用法_例句