star-shaped filter element

例句：

1. 1.The star-shaped filter element in the device is designed to improve signal quality.
   该设备中的星形滤波器元件旨在提高信号质量。
2. 2. The engineer used a star-shaped filter element to reduce noise in the data.
   工程师使用了一个星形滤波器元件来减少数据中的噪声。
3. 3.The star-shaped filter element helps to filter out unwanted signals from the input signal.
   星形滤波器元件有助于从输入信号中过滤掉不需要的信号。