基本解释全状态同根派生 英汉例句By using Lyapunov method, the state of the closed-loop control system is proved to be bounded, with tracking error converging to zero.运用李亚普诺夫第二方法，先证明了闭环模糊控制系统全状态有界，再证明了跟踪误差收敛到零。