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1)  loaded vibration frequencies
有载振动频率
2)  loaded free frequency
有载自振频率
1.
The continuous bridge vertical loaded free frequency is calculated with the vehicle-bridge system model.
采用车-桥系统相互作用的计算模型,对连续梁桥竖向有载自振频率进行了推导计算,并计算了当20辆相同参数的提速客车通过3×64 m铁路栓焊下承式连续钢桁梁桥、3×40 m铁路上承式连续钢板梁桥以及40 m+4×72 m+40 m部分预应力混凝土连续箱形梁桥时,车-桥系统的竖向有载自振频率。
2.
The vertical loaded free frequency of 3×64m continuous steel truss bridge is influenced by the under-spring mass and the stiffness of the spring for each wheel-set of the vehicle, the vehicle’s length and the mass of the vehicle.
车辆轮对簧下质量、车辆轮对悬挂弹簧刚度、车辆长 度、车体质量等对3×64m铁路连续钢桁梁桥竖向有载自振频 率都有影响,而列车的行车速度对桥梁竖向有载自振频率没有 影响。
3.
The continuous bridge vertical loaded free frequency is calculated with the vehicle-bridge system model.
采用车-桥系统相互作用的计算模型,对连续梁桥竖向有载自振频率进行了推导计算,并计算了当20辆相同参数的提速客车通过3×64m铁路栓焊下承式钢桁梁桥时,车-桥系统的竖向有载自振频率。
3)  natural vibration frequency
固有振动频率，自振频率
4)  oad vibration frequency
荷载振动频率
5)  vibrational natural frequency
振动固有频率
1.
The fluid-solid coupling vibration differential equation of piping system was obtained according to the Hamilton principle,and the approximate analytic formulations of vibrational natural frequency was obtained by using the Galerkin method.
根据Hamilton原理,推导了管路固液耦合振动微分方程,通过Galerkin法,计算出了管路系统振动固有频率的近似解析式。
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6)  frequency under load
有载频率
例句>>
补充资料：频率计量(见时间频率计量)


频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology

　　口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
　　
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条