America First is not a slogan borrowed from the moment, but a throughline from the Founders’ hard-earned lessons that a ...

Mr. Lei, owner of a traditional pastry shop near the Ruins of St. Paul's, told Xinhua that many customers come to buy gifts for family and friends toward the end of the year, making the period from ...

Abstract: Starting from the Faraday's law of electromagnetic induction, this article reviews the operation principle of the transformer, and reveals the distribution law of the induced electromotive ...