The noise components estimation of semiconductors is the precondition of reliability screening of semiconductor devices using noise measurement.

半导体的噪声成分估计是利用噪声进行器件可靠性筛选的前提条件。

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Results The acoumeter can reduce the proportion and degree of noise-induced hearing loss via test and calibration. and the quick screening part has been inspected for measurement.

结果经过试验与标定，该仪器能降低强噪声引起听力损伤的比例和程度，听力损伤的快速筛查部分通过计量检定。

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Linear Vibrating screen (linear sieve) stable and reliable, consume less, low noise, long life, vibration-type steady, screening and high efficiency.

直线振动筛(直线筛)稳定可靠、消耗少、噪音低、寿命长、振型稳、筛分效率高等优点。

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