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There are two explanations: one is more practical and one more scientific. In microwave transmission systems of the 1930s, coaxial transmission lines were initially fabricated in England wit
DC/DC step-down converters (also known as buck switching regulators) are small, efficient devices that can be used to regulate an output voltage powered by a higher input voltage. Covering devices wit
Have you ever experienced the legendary unmanned retail store? It is said that you can enter the store by face recognition, and there is no cashier. You can take the money and run away. It is full of