Simulation results show that, in the closed-loopsystem, precise attitude control is accomplished in spite of the uncertainties and external disturbances in the system.
仿真结果表明：即使系统存在不确定性和外界干扰，仍可在闭环系统中实现精确的姿态控制。
2
This closedloop is part of a water-supply system in which "every drop counts".
这个封闭循环是供水系统的一部分，“滴滴珍贵”。
3
The process continuously cycles within a sealed, closedloopsystem.