a transparent filter that reduces the light (or some wavelengths of the light) passing through it
双语例句
用作名词 (n.)
A filter for a display apparatus, a method of manufacturing the same, and a plasma display apparatus are disclosed. 本发明公开了一种用于显示设备的滤光器及其制造方法，和等离子体显示设备。
The filter funnels the signals received from many directions into separate photodetectors and improves reception by combining the energies of the beams. 滤光器把来自许多方向的讯号导入个别的感光器，并将光束能量合并以改善接收品质。
