二阶: second order连续: 6年未出事故. There have been no a ...时间: time; hour系统: system一阶连续时间系统: first-order continuous-time systems连续时间系统: continuous time system; continuous-time systems连续时间系统离散化: discretization of continuous time system二阶离散时间系统: second-order discrete-time system连续时间动态系统: continuous time dynamic system断续时间系列设计: interrupted time series design连续时间: continuous time; run-on time时间系统时间: timesystem time空闲时间系统: ferr time system离散时间系统: discrete time system; discrete-time systems脉冲时间系统: impulse duration system目标时间系统: object time system目的时间系统: ots object time system网络时间系统: nts network time system协调时间系统: coordinated time system延迟时间系统: delayed time system原子时间系统: atomic time system综合时间系统: synthetic time system连续时间参数: continuous time parameter连续时间估计: continuous time estimation; continuous-time estimation连续时间信号: continuous time signal; continuous-time signals; time continuous signal