1) second-order resonance vibration
二次共振
1.
When the quality and stiffness of outshoot are far larger than those of the main body, and k1/k2 approaches M1/M2, second-order resonance vibration happens.
当主体结构的刚度k1远远大于突出物的刚度k2,主体结构的质量M1远远大于突出物的质量M2,且k1／k2与M1／M2相接近时,容易发生二次共振。
2) twice sampling stochastic resonance
二次采样随机共振
1.
With big values of parameters, the spectral properties of a twice sampling stochastic resonance(TSSR) from a bistable system is probed in detail.
探讨了大参数信号双稳系统的二次采样随机共振的频谱特性 。
3) secondary resonance in large-span structure
大跨结构的二次共振
4) subharmonic resonance
次谐共振
1.
Subharmonic resonance analysis of a francis turbine-generator unit
混流式水轮发电机组主轴系统次谐共振分析
2.
The energy-iteration method for strongly non-linear autonomous system was modified to deal with strongly non-linear non-autonomous system, and the modified new method was developed, the analytic expressions of solution of primary resonance and superharmonic and subharmonic resonance.
研究了在横向动载荷作用下存在轴向力的一类梁的强非线性振动;建立了梁振动的二阶强非线性非自治微分方程,并对求解强非线性自治系统的能量迭代法加以改进,用于求解梁的强非线性非自治系统,其方法是:由能量法得到主共振、超谐共振和次谐共振的一次近似解的表达式;引入牛顿迭代的思想和最小二乘法,得到高次近似解的表达式。
3.
Based on the condition, the stability boundaries are obtained in the cases of subharmonic resonance and conbination resonance.
利用该条件得到了次谐共振和组合共振的稳定边界。
5) secondary resonance
次共振
6) subordinate resonance
次级共振
补充资料：电子自旋共振(见电子回旋共振)
电子自旋共振(见电子回旋共振)
electron spin resonance
电子自旋共振eleetron spin resonanee见电子回旋共振。
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