quasi-optical frequencies

例句：

1. 1. The new device has quasi-optical frequencies that make it suitable for use in various applications.
   这款新设备具有近似光学频率，适用于各种应用。
2. 2.In the field of optics, quasi-optical frequencies are used to analyze light waves.
   在光学领域，准光学频率被用于分析光波。
3. 3.The quasi-optical frequencies of the laser beam were measured using a high-resolution spectrometer.
   使用高分辨率光谱仪测量了激光束的准光学频率。