21 小时之前 · Schematic of a wave moving rightward down a lossless two-wire transmission line. Black dots represent electrons, and the arrows show the electric field. One of the most …

21 小时之前 · The Shannon family lived in Gaylord, Michigan, and Claude was born in a hospital in nearby Petoskey. [3] His father, Claude Sr. (1862–1934), was a businessman and, for a …

21 小时之前 · Use of real time monitoring of the heart in an intensive care unit in a German hospital (2015), the monitoring screen above the patient displaying an electrocardiogram and …

21 小时之前 · Just as the bit is the basic concept of classical information theory, the qubit is the fundamental unit of quantum information.The same term qubit is used to refer to an abstract …

21 小时之前 · Cornu aspersum (formerly Helix aspersa)—a common land snail. Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or …