Is there any method to programmatically switch focus out of metro mode?

有什么方法以编程方式切换焦点的地铁模式?。

youdao

It is designed that the main circuit and control system using the IGBT as its switch element based on the DC750V traction transducer of metro vehicles. The system is also simulated by MATLAB/SIMULINK.

以地铁车辆用DC750V牵引变频器为例，采用IGBT作为主要开关元件设计了逆变器主电路及控制系统，并利用MATLAB/SIMULINK进行了仿真。

youdao

Every node in the enterprise and metro will have to switch at 10 Gbps to handle the seachange from narrowband voice and slow data applications to various forms of full-motion video.

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Reframe or capture missed photo opportunities on the way back down, then retrace your route on the metro, heading back south to San Antonio station, where you will switch to the east-west Line B.

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