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[物]自然频率，[电子][物]固有频率；本盏率
1、natural───adj.自然的；物质的；天生的；不做作的；n.(Natural)人名；(西)纳图拉尔；n.自然的事情；白痴；本位音
2、damped natural frequency───阻尼固有振动频率；[物]阻尼固有频率
3、frequency polygon───[统计]频数多边形
4、frequency equation───频率方程
5、damped natural frequency equation───阻尼固有频率方程
6、frequency range───频带; 频段；[电子][通信]频率范围
7、frequency generator───[计]频率发生器
8、cumulative frequency───[统计]累积频率，[电子]累积频数
9、frequency───n.频率；频繁
1、Unfortunately , for many cable structures , the frequency of wind forced is often close to the natural frequency of the cable structures .───不幸地是，许多缆绳结构，风力频率经常是接近缆绳结构的固有频率的。
2、The results showed that the mount spacing can be varied to adjust the natural frequency of the rotational mode.───结果说明：改变隔振元件的间距能调整扭转振动的固有频率的大小。
3、This paper mainly analyzed the natural frequency of a gun and the emission stress in the key parts of a gun when it is in lunch process.───本文分别分析了火炮的固有频率和火炮在发射过程中关键零部件的发射应力。
4、Fatigue life of random vibration can be calculated by the fatigue life of sinusoidal vibration under first natural frequency.───可以通过一阶固有频率下正弦振动试验试件寿命得到随机振动下试件的寿命。
5、Why is natural frequency important in vibration analysis?───在振动分析中，为什么自然（固有）频率很重要？
6、The simulation chamber was a reduced scale element which had the same natural frequency as the actual chamber's.───模拟燃烧室是依据高频燃烧不稳定性特征设计、与实际燃烧室有相同固有频率的缩尺件。
7、Mechanical model of an air-spring vibration isolator is studied. The calculation formula of its fundamental natural frequency is derived.───研究了空气弹簧隔振器的力学模型，导出了固有频率的计算公式。
8、The natural frequency range of every order can be obtained by conclusion.───且通过总结得到高速旋转台各阶固有频率的范围。
9、Want to meet up so I can excite your natural frequency?───想要以此邂逅吗？那么我可以激活你的自然的频率。
1、Dynamical test and the main natural frequency and pattern of vibration of the bridge are gotten.
2、The lower the natural frequency of the FST is, the better the performance of vibration isolation is.
3、Through the numerical calculation the curves of elastodynamic natural frequency and responses varythe time were obtained.
4、And the numerical characteristics of natural frequency are derived by using the fuzzy factor method and the principles of interval arithmetic.
5、Conjugate poles can be described in natural frequency and damping factor.
6、The natural frequency and time of output stable signal of dial indicator are analyzed.
7、Natural frequency and dynamical respond of the pipeline structure are also analysed and calculated.
8、By vibration mechanics theory the calculating formula of natural frequency of hanging pipe water is established.
9、A gravitational wave at the natural frequency for longitudinal oscillations of the bar would set it ringing like a tuning fork.