具有阻抗匹配和振幅检测等多项功能，电声转换效率高，发热少，切割速度快。

Because it has many functions such as Impedance matching and amplitude detecting, the system has high electroacoustic transformation efficiency, low heat and rapid cutting ability.

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基于正交理论和半球谐振陀螺的动力学分析，研究了半球谐振陀螺的振幅检测和控制原理。

On the basis of quadrature theory and dynamic characteristics, the amplitude detection and control theory for HRG (hemispherical resonator gyro) is studied in this paper.

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由于叠加对振幅的影响，给使用亮点技术检测油气带来困难。

Data stacking affects amplitudes, which makes it difficult to use bright spot technique in gas detection.

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