固有频率

To use two passive U-tube anti-rolling tanks with different natural frequencies can provide very good rolling reduction over a wide range of metacentric height of ship.

使用两个具有不同固有频率的被动式U型减摇水舱能给横稳心高变化范围很宽的船舶提供很好的减摇效果。

4The frequencies of teeth may correlate with its volumes and supporting conditions by periodontium.

人类牙的振动固有频率值的大小可能与牙的体积和牙周支持情况有关。

For the properties of high nonlinear, low frequency, low stiffness and small damp of pneumatically driven systems, it is difficult to realize high precision position servo control.

由于气压驱动系统本身具有强非线性、固有频率低、刚度低和阻尼小等特点，实现高精度的位置伺服控制比较困难。

In turn, the lower frequency and modes of the ladle turret are obtained base on the FE analysis of dynamic characteristics of the structure and the impact coefficients of the ladle turret are given out according to the dynamic process simulation of receiving pot.

通过动力特性分析，得到了回转台的低阶固有频率和模态。通过对钢水罐回转台受包过程动态仿真分析，得到了回转台的受包冲击系数。计算分析结果为该回转台的设计、改进和最终方案的确定提供了直接的技术指导。

The natural frequencies of structure can be measured with very high accuracy.

固有频率的测量已达到了很高的精度。

In the paper,the inherent frequencies and vibration modes of the telescopic booms of TR1000 rock drilling jumbos are calculated by means of the modal analysis function of the finite element analysis program of ANSYS9.0 and comparison is made between the FEM calculation results and the modal testing analysis results.

利用有限元分析软件ANSYS9.0的模态分析功能，计算了TR1000型凿岩机伸缩臂部分的固有频率和振型，并将有限元计算结果与试验模态分析结果进行了对比。

Research shows that the intrinsic frequency of hole-defect lumbers is little lower than standard lumbers.

研究表明，含有孔洞试件的固有频率与标准试件相比略低一些，但差别不大。

The frequency equation is given by truncating the orders of the expansion series.

最后，由计算机数值搜根求得各阶固有频率。

In flexibility of different viscoelasticity material the model is measured and ply falls, calculated respectively the amplitude of transverse stress between factor of loss of the first-order natural frequency that submarine compression carapace is shedding vibration of the damp in field, structure and layer.

在不同粘弹性材料弹性模量和厚度下，分别计算了潜艇耐压壳在流场中阻尼振动的一阶固有频率、结构损耗因子和层间横向应力的幅值。

The three dimensional model on engine block combination structure of a piston engine is established by the ANSYS software,and the modal analysis is carried out in the case of constrained model.

采用ANSYS软件对某活塞发动机机体和缸盖的组合结构进行了约束模态的有限元分析，得到了机体组合结构的前20阶约束模态的固有频率及相应振型。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。