石英材料很脆，石英加速度计在空间振动、冲击、高低温变化等恶劣环境下使用，容易造成摆片挠性支撑处断裂。

Their springy supports are easily fragile because of bad conditions in space, such as vibration, shock, changing temperature between high and low.

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基于模态理论，针对滑动轴承支撑的挠性转子系统，提出了一种新的不平衡量在线识别方法。

Based on the model theory and with the use of electromagnetic exciter (ea), a new imbalance (identification) technique for flexible rotor supported by fluid bearings was presented.

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