振动的

On the basis of a study on acoustic behavior in the Budgerigar,the vibration sensitivity of Budgerigar is further studied by the using oacoustic behavior method.

本文研究了虎皮鹦鹉对正弦振动的敏感性，旨在探索其腿部存在赫氏小体，和阐明其震前声行为反应与地面振动的关系提供依据。

Non contact electromagnetic actuator was used in the active control system of transverse vibration of circular disk composed of analog circuits.

应用非接触式的电磁作动器，采用模拟器件设计了一整套圆盘横向振动的主动控制系统，并对圆盘进行了振动主动控制实验。

The formulas of the natural frequency, critical velocity and critical pressure were established by means of direct method .

根据Hamilton原理推导出流固耦合自由振动变分方程，采用直接解法求解自由振动的固有频率、临界流速和临界压力的解析解表达式。

Cyclic symmetry in blade-disc assembles is often destroyed by small differences in the individual blades'structural properties that result from manufacturing and material tolerance, this phenomenon commonly knows as mistuning.

建立了某汽轮机叶片—轮盘的有限元模型，研究了离心力对失调叶片—轮盘系统振动的影响；利用概率分析方法，研究了所有叶片弹性模量在5%误差范围内随机失调叶片—轮盘振动情况。

Its nonlinear vibration equation was presented, and the approximate solution of nonlinear vibration of elliptic paraboloid cable mesh was given by using Galerkin principle and KBM method.

建立椭圆平面双曲抛物面碳纤维索网在主体结构位移激励下的非线性振动方程，采用Galerkin原理及KBM法求得椭圆平面双曲抛物面碳纤维索网非线性振动的近似解。

In the reference [5], the author has suggested a method of vectorial graphicalcomputation of the undamped forced vibration of the system with one degreeof freedom.

在参考文献[5]中，作者曾提出单自由度系统无阻尼强迫振动的矢量图解计算方法，本文将这方法进一步推广，应用到单自由度系统阻尼强迫振动。

At first there is a vibration of sorts, a jiggling, as the crust separates in various places from the core.

一开始，当地壳和地核之间从各种地方分离时，会产生各种振动和摇动（因各地地质情况不同，振动的类型也不同）。

In the paper,the equations of motion for the vehicle_bridge_MTMD system are presented and the effectiveness of suppressing the transverse vibration of the deck steel plate girder bridge with multiple tuned mass dampers is investigated by the field test and simulated calculation.

本文建立了车-桥-MTMD系统振动方程，对利用多重调频质量阻尼器抑制铁路上承钢板梁桥横向振动的效果进行了模拟计算和现场试验。

The vibration test is marked in different velocities to probe the effective way of the beam damping by changing the fixed type of the beam on two ends,setting up the curve beam with right angle to sustain the beam,and installing the rubber damper,so as to reduce the amplitude of the beam .

通过改变横梁两端固定方式，增设直角弯梁后撑横梁，加装横梁橡胶减振器等方法，在不同速度工况下进行振动测试，以减小横梁振动的幅值。

Article 17 Muffling or vibration-proof measures shall be taken against the mechanical equipment, motor vehicles, catering and entertainment places and other sources of noise that produce noise or vibration, and the noise or vibration must meet the relevant standards.

第十七条对产生噪声和振动的机械设备、机动车、饮食娱乐服务场所以及其他噪声源，应当采取消声防振措施，其噪声和振动必须符合有关标准。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。