power signal-to-noise ratio的用法和样例：
例句
- The experimental results show that high diffractive efficiencies and low noise are obtaitned upon general chemical treatments.
实验结果表明，利用常规化学处理方法同样能获得高的衍射效率和高的信噪比。 - We extend a recently developed technique, OPA-based contrast ratio measurement in the scanned configuration, to the case of single-shot measurement.
本论文主要研究单脉冲高动态范围信噪比的测量方法及信噪比的改善方法。
