double frequency recording

例句：

1. 1. This device is designed to double the frequency of data transmission.
   这个设备旨在提高数据传输的频率。
2. 2. The double frequency recording system is highly efficient in data processing.
   双频记录系统在数据处理方面非常高效。
3. 3. In this study, we used a double frequency recording method to analyze the data.
   在这项研究中，我们使用了双频记录方法来分析数据。