计算出压力表的总的不确定度和自由度。
Calculate out total uncertain degree and degree of freedom of the manometer.
将车辆模化为七自由度振动系统，采用频域法进行随机响应计算。
The vehicle is modelled as a vibration system with seven degrees of freedom.
将车辆模化为七自由度振动系统，采用频域法进行随机响应计算。
The vehicle is modelled as a vibration system with seven degrees of freedom.
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