European visa waiver: when must I apply for an Etias and how will travel from the UK work? - Extra red tape due to Brexit will not be mandatory for travel from the UK to the Schengen Area before 2027 ...

Digital electronic file is a new technology, it is based on graphics, text and other data, and all kinds of information analysis and storage. In the future, more and more people will participate in ...

Solid-State transformer for onboard traction application is also addressed as power electronic traction transformer (PETT), which is used to replace the line frequency traction transformer and ...