direct dynamic analysis的用法和樣例：
例句
- This paper firstly deduces the recurrence formula of plastoelastic structure dynamic analysis.
本文首選推導了彈塑性結構動力時程分析的遞推公式。 - A time history analysis method for calculating the dynamic stability safety factor of high rock slope under excavation blasting is proposed.
提出一種計算岩質高邊坡爆破開挖情況下動力穩定性安全係數的時程分析方法。
