Knew by the experimental result that, Matches two Al2O3 absorber screens, has the better absorption effect and the bandwidth, and may reduce the material cost and thickness, increase the application convenience.

• 由实验结果得知：匹配双层氧化铝吸收体，具备较佳的吸收效果与吸收频宽率，并可降低材料成本与厚度，增加应用时的方便性。