videofrequency

例句：

1. 1.The video frequency is too high, which can cause eye strain.
   视频频率太高，会导致眼睛疲劳。
2. 2. The new TV has a higher video frequency, so it can display more detailed images.
   这款新电视的视频频率更高，可以显示更详细的图像。
3. 3.The video frequency of the signal is 60 MHz, which is suitable for most home networks.
   信号的视频频率为60 MHz，适合大多数家庭网络。