standard chroma subcarrier frequency

例句：

1. 1. The standard color subcarrier frequency is critical for the quality of the television picture.
   标准色差副载波频率对于电视画面的质量至关重要。
2. 2. In order to improve the color accuracy, we need to adjust the standard color subcarrier frequency.
   为了提高色彩准确性，我们需要调整标准色差副载波频率。
3. 3. The standard color subcarrier frequency is used in many TV broadcasting systems.
   标准色差副载波频率被广泛应用于许多电视广播系统中。