parametrically excitation的用法和樣例：
例句
- The primary resonance bifurcation problems are discussed for an arch structure with parametric and forced excitation.
摘要研究拱型結構在參數激勵與強迫激勵聯合作用下的主共振情形的分叉問題。 - In the fourth chapter, the asymptotic solutions of the parametrically excited systems have been gotten.
第四章用規範形理論求出了參數激勵系統的近似解。
