利用这种振动台可以可靠地校准压电式加速度计，其测量准确度可优于4%。

Using the little vibration shaker, the user can reliably calibrate the piezoelectrical accelerometers. Its accuracy can be better than 4%.

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本文介绍了光谱分析仪波长准确度校准的一种新方法，详细阐述了其原理及具体实现。

New method of wavelength accuracy calibration in Optical Spectrum Analyzer is introduced, its principle and implementation are described.

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通过对样品的分析和标准样品的校准结果表明：前者准确度达95％，而后者为35％。

The results by actual sample analysis and calibration of standard samples show that its accuracy reaches 95%, while the latter is only 35%.

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