stable amplitude

By using the equations for the stable propagation period of constant amplitude loading fatigue cracks, the fatigue life of the welded box girders of bridge gantry cranes is estimated.

以等幅载荷疲劳裂纹稳定扩展阶段的计算公式为基础，针对起重机承受随机载荷的特点，运用时间循环法，估算了桥门式起重机焊接箱形梁的疲劳裂纹扩展寿命。

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Compared to the p-( U)/ p-( D) imaging condition which is required for true amplitude common-shot migration, the new approach suggests a more stable way of doing inversion and is more attractive to the real seismic data processing.

与真振幅共炮偏移所需的商型成像条件pU/pD相比，共反射角偏移的计算稳定性大为改善并且在实际地震资料处理中有重要的应用。

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Because the vibration amplitude of the scalper changes with multiple factors such as environmental temperature, time variance nonlinear load and static state press, a vibration amplitude control technique is needed for obtaining the stable vibration amplitude in the power ultrasonic medical system.

由于手术刀的振幅随着环境的温度、时变非线性的负载、以及加压等因素的影响而变化，故此需要对振动系统的振幅进行稳定控制。

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When the brace is negative, N is positive and ( 4.20 ) predicts stable, finite amplitude oscillations.

当大括号一项为负时, N为正,因此 ( 4.20 ) 式预报出稳定的有限振幅的振荡.

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