噪声干扰对于包装机械电控系统的危害很大。
Noise jamming for electric control system of packaging machinery is very harmful.
磁场环境受磁场源干扰的影响有增无减，而这些干扰可能影响腕表的功能，无论是机械机芯还是帝舵石英机芯都无法避免。
Increasing the effect of magnetic field by magnetic field interference, and the interference may affect the function of the watch, whether mechanical movement or quartz movement can not be avoided.
机械故障产生的信号往往淹没在环境干扰信号之中。
The vibration signals generated by the machinery malfunctions are usually covered by the background strong noise.
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