signal-to-noise ratio

例句：

1. 1.The signal-to-noise ratio is crucial for determining the quality of the audio.
   信号与噪声比对于确定音频质量至关重要。
2. 2.In a noisy environment, it's important to have a high signal-to-noise ratio.
   在嘈杂的环境中，拥有高信号与噪声比很重要。
3. 3.The engineer carefully measured the signal-to-noise ratio of the device before installation.
   工程师在安装前仔细测量了设备的信噪比。