单词：ray filter
ray filter的用法和样例：
例句
- 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。
- Filter selection is made using inherent spectra.滤色镜的选择必须利用固有光谱。
- A yellow filter is placed in front of the camera lens to assure that no blue light will be imaged.为了不使蓝光进入相机而成像，可在相机的透镜前加一黄滤色镜。
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