Abstract: The simultaneous generation of an electron beam with high energy and high current density with a high-fill factor is challenging for a backward wave oscillator (BWO) and other linear-beam ...

已经有了那么多的 Electron 项目模板，为什么还要再造一个？是重复造轮子吗？ 我相信大多数人在选择使用 Electron ...

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A lot of us are fickle friends to our optimism. It's easy to relish the brighter side of things when everything is going your way. But on those other days — your car broke down, your kid is sick ...

U.S. Fertility Rate: Fertility in the United States reached a new low last year, according to federal data, causing some to fear a baby bust. But it might just be a lull, demographers say — a period ...