1)  1/3 subharmonic resonance
1/3次亚谐
1.
By the method of multipul scales the first approximate solution for steady state solutions of the 1/3 subharmonic resonance is obtained.
应用拉格朗日方程,得到皮带驱动机构的非线性振动微分方程,根据非线性振动的多尺度解法,得到系统满足1/3次亚谐共振情况的一次近似解以及对应的定常解,并对其进行数值计算,分析带的长度和横截面积、外激力、谐调值、系统阻尼等对系统的影响,揭示一些新的动力学现象。
2)  1/3 subharmonic resonance
1/3次亚谐共振
1.
1/3 subharmonic resonance of suspended cable subjected to harmonic excitation in temperature field is studied.
研究输电线在温度场中谐扰力作用下的1/3次亚谐共振问题,应用动力学方法建立温度场中受谐扰力作用输电线的非线性振动方程。
2.
In order to study 1/3 subharmonic resonance of a thin rectangular plate on nonlinear foundation in temperature field,nonlinear dynamical equation of the system is established with the application of elastic theory.
为了研究温度场中非线性地基上矩形薄板受简谐激励的1/3次亚谐共振问题,应用弹性力学理论建立其动力学方程,应用Galerkin方法将其转化为非线性振动方程。
3.
According to the method of multiple scales for the nonlinear vibration the first approximate solution of 1/3 subharmonic resonance of the system is obtained.
根据非线性振动的多尺度解法,求得系统满足1/3次亚谐共振情况的一次近似解,并对其进行数值计算。
3)  1/±∞
1/（±∞）
4)  ∥A~(-1)∥_∞
∥A~（-1）∥_∞
5)  1°×1°guid
1°×1°网格
6)  1:1 performance
1:1性能
1.
In order to meet the needs of electro-bicycle s development, a computer aided test system for measuring 1∶1 performance of electro-bicycle is established.
为满足电动自行车的发展需要,研发了一种用于电动自行车1∶1性能检测的计算机辅助系统。
参考词条
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