holding control的用法和樣例：
例句
- Further, the modling and simulation of muti-motor synchronization control system based on the matrix convertor were descriped.
並進一步應用矩陣式變換器實現了多電機同步控制系統的模擬試驗。 - The fuzzy neural controller is used in the experiment of synchro control of pneumatic force, and the outstanding control performance is achieved.
將該控制器用於系統的力同步控制實驗，實驗結果表明，該控制器具有優良的控制性能。
