Ruby laser is a three-level system.
红宝石激光器是一个三能级系统。
Then, several typical multi-variable level control experiments on three tank liquid-level control system were designed.
三容水箱液位控制实验系统是一种非线性、强耦合、多变量和大滞后的复杂系统。
In this paper; a closed V-type three-level system is studied.
研究了封闭的V型三能级激光系统。
In this paper; a closed V-type three-level system is studied.
研究了封闭的V型三能级激光系统。
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