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rotating natural frequency 动频
It is the natural frequency of emission of the hydrogen atoms in space . 这是空间氢原子“释放”的自然频率。
It is the natural frequency of emission of the hydrogen atoms in space. 这是空间氢原子“释放”的自然频率。
The natural frequency of specimen decreases as the crack length increases. 随着裂纹长度的增加，试样的固有频率逐渐减小。
Equation (4-198) yields a first approximation for the change in the natural frequency of vibration. 方程（4－198）给出了一级近似下的固有振动频率的改变量。
The swing is a pendulum with a single natural frequency depending on its length. 秋千是只有一个固有频率的摆，此频率决定于它的长度。
Equation(4-198)yields a first approximation for the change in the natural frequency of vibration. 方程(4-198)给出了一级近似下的固有振动频率的改变量。
The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline. 利用有限元法求解声学波动方程，建立了管内气流的有限元运动方程，计算出管内气柱的固有频率和气流压力脉动。
Keywords: micro-gyroscope, silicon single crystal, three-axis angular-rate sensing, natural frequency and mode shapes. 关键词：微型陀螺仪、矽单晶、三轴角速率感测、振动自然频率与模态。
The natural frequency of horizontal drift of moored systems is far lower than that of the first order motion. 系泊船舶的水平慢漂运动的自然频率远低于一阶运动的自然频率。
The lower the natural frequency of the FST is, the better the performance of vibration isolation is. 浮置板系统的固有频率越低，隔振性能越好。
The natural frequency of a RCB is an important indicator to discriminate a RCB is damaged or not. 曲率模态振型和应变模态振型对于钢筋混凝土梁的局部损伤较位移模态振型敏惑。
The natural frequency is one of the parameters characterizing the feature of the anti rolling tank. 通过比较可控被动式减摇水舱几种常见的固有频率选取方法,提出了一种新的选取方法。
It is concluded that the long and flat shape of the interlayer decreases the first bend natural frequency. 分析指出一阶整体纵向弯曲固有频率偏低是由夹层的扁平长结构导致。
Objective:To investigate influences of bicortical anchora ge on the values of natural frequency of dental implants. 目的:用有限元方法研究双皮层骨种植对牙种植体初期稳定性的影响。
The natural frequency of the gyro should be about 2 kHz,and the natural frequency of senseaxis should be one bandwidth higher than that of driveaxis. 陀螺振动频率应设计在 2 k Hz左右 ,检测轴自然频率比驱动轴高一个陀螺频带宽度。
Vibrating absorber of ZTG damp bedspring, choice range is wide, load range is big, the double advantage with natural frequency low big damp. ZTG型诅尼弹簧减振器,选取面广,负载领域大,本有周率低诅尼大的两重优势。
Using distortional spring model, theoretic analysis is applied on the relation of natural frequency and crack depth and its location. 摘要利用扭曲弹簧模型，对裂缝简支梁前三阶固有频率的变化与裂缝深度及位置的关系进行了理论分析。
The results indicate that the natural frequency of vibration of multispan stone arch bridge is closely packed and it has adequate safety allowance. 研究结果表明，多跨度石拱桥作为一个整体，其自振频率较为密集，桥梁具有足够的安全裕量。
In rotating, the shaft splashes oil up into the bearings. 当轴旋转的时候就把油溅入轴承。