forced vibrations

• 受迫振动

forced vibrations的用法和样例：

例句

1. One of the features of a forced oscillation is the energy in the oscillation.
   受迫振动的特点之一是振动的能量。
2. As a numerical example, nonlinear free and forced vibration phenomena of shallow spherical shells with sinusoidal corrugation are studied.
   作为算例，研究了正弦波纹扁球壳的非线性自由和受迫振动现象。
3. Express the differences of displacement variation of a mass subjected by a free damped vibration and a forced vibration, separately.
   分别叙述一质量受到无阻尼的振动与强制振动时位移变化的不同。