This paper studied mathematical mould and vibration curve, it used vibration analysis and mathematics and physical method, and used sonic testing of axles, too.
本文利用振动分析理论和数学物理方法对音频检测轴类零件的数学模型和振型曲线进行研究。
"The method of mould-proof for cigarette tobacco under natural environment" is a kind of physical method of treatment.
“自然环境下卷烟烟草防霉的方法”是一种物理的处理方法。
"The method of mould-proof for cigarette tobacco under natural environment" is a kind of physical method of treatment.
“自然环境下卷烟烟草防霉的方法”是一种物理的处理方法。
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