computer generated abstract view of the amplitude of an oscillating wave - frequency 個影片檔及 b 捲影像00:16
4k stcok video of oscilloscope wavelengths showing vibrant colors using dynamic movements - frequency 個影片檔及 b 捲影像00:29
aerial view of abandoned radioactive military radar, duga radar system in chernobyl, pripyat - frequency 個影片檔及 b 捲影像00:14