At the same time , a computerized noise measurement system is introduced.

介绍了一种微机化噪声测量系统.

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LMS training for experimental modal analysis and noise measurement technology.

比利时LMS公司模态试验与噪声测量技术培训.

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Directive rules for noise measurement in the work environment.

作业场所噪声测量规范.

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A method of FM noise measurement is introduced.

分析了一种微波源调频噪声测量方法的原理.

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