the stability condition的用法和樣例：
例句
- Stability condition of the proportional control algorithm is given for a fixed target.
針對固定目標，文中給出了比例控制算法的穩定性條件。 - The stability of the helical equilibrium is analyzed with phase plane method, and an analytical criterion of stability is revealed.
用相平面法分析螺旋線(xiàn)平衡的穩定性，導出解析形式的穩定性條件。
