This is a unique case which can be caused by the characteristics of the machine.
这是一个特别的例子，可能是由于机器特征引起的。
This paper introduces the characteristics of pneumatic technology, working principle in pressure filling machine and pneumatic controlling system.
本文介绍了气动技术的特点，及其在压力灌装机中的工作原理和气动控制系统。
This paper introduces a new technology for diagnosing the dynamic characteristics of machine tools by means of stroboscopic laser holography.
本文提出了用频闪全息法诊断机械结构动态特性的新技术，并研制了频闪全息系统。
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