The orifice shape and aperture size is one vibration source on aerostatic bearing.
在空气静压导轨中，节流孔形状和孔径大小是主要振源之一。
The vibration source is vibration motor. It features constant operation, convenient maintenance, low noise and long life.
振动源是采用振动角电机驱动，运转平稳，维修方便，噪音低，寿命长。
By making the dynamic performance test, the vibration weak points and the main vibration source of the prototype are found.
通过设计动态性能试验，找到了样机的振动薄弱环节和主要振源，提出了改进措施。
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