Russia’s Su-57 stealth fighter has completed its first flight with a new fifth-generation engine to improve the fighter’s performance and support its modernization and export goals. The flight was the ...

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Abstract: Named entity recognition (NER) is a bottleneck in the development of intelligent tutoring system (ITS). NER is difficult in ITS due to the complexity and the lack of entity boundary of ...

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Abstract: The existing transformer-based equalization systems have the advantages of simple circuitry and ease of control. However, their application in large-scale energy storage systems is often ...

The U.S. Space Force will soon start naming its weapons, communications and space systems after themes including Norse mythology and ghosts. Space Force shared the plans on Thursday, framing them in ...