This paper resumptively introduces the gist of design of electromagnetism, structure and so on of the large synchronous motor driving mine winder.
概矿井提升同步电动电磁、结构等方面要点。
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Even the basic forces we see today — gravity, electromagnetism, and the two nuclear forces responsible for holding atomic nuclei together as well as letting them disintegrate in radioactive decay — were all squeezed together into one unified super force.
即使是我今天看到的基本力——重力、电磁力,以及两种使核结合在一起并使其在放射性衰变中体的核力——都被挤在一起形成一个统一的超级力。