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Terms for subject Earth sciences containing 声变 | all forms
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傅里叶变换声光光谱测定法Fourier Transform Photoacoustic Spectrometry
变更噪声规范曲线noise criterion curves, alternate
变量噪声模型noise-in-variable model
可变深度声呐系统variable depth sonar system
无畸变响应最小噪声方差minimum noise variance, distortionless response