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4 天前 · Internal unrest and Majorian. The Western Roman Empire during the reign of Majorian in AD 460. During his four-year-long reign from 457 to 461, Majorian restored Western Roman authority in Hispania and most of Gaul. Despite his accomplishments, Roman rule in the west would last less than two more decades.
2 天前 · Theodosius I ( Greek: Θεοδόσιος Theodosios; 11 January 347 – 17 January 395), also called Theodosius the Great, was a Roman emperor from 379 to 395. During his reign, he succeeded in a crucial war against the Goths, as well as in two civil wars, and was instrumental in establishing the creed of Nicaea as the orthodox doctrine for Christianity.
3 天前 · A bottle of Yakult, a probiotic drink containing Lactobacillus paracasei Probiotics are live microorganisms promoted with claims that they provide health benefits when consumed, generally by improving or restoring the gut microbiota. Probiotics are considered generally safe to consume, but may cause bacteria-host interactions and unwanted side effects in rare cases.
2 天前 · A witch-hunt, or a witch purge, is a search for people who have been labeled witches or a search for evidence of witchcraft. Practicing evil spells or incantations was proscribed and punishable in early human civilizations in the Middle East. In medieval Europe, witch-hunts often arose in connection to charges of heresy from Christianity.
3 天前 · 华为 是总部位于 中华人民共和国 广东省 深圳市 的 跨国 科技公司 ，业务以 研发 和 制造 通訊裝置 、 消費電子產品 为主 [4] ，除此之外还涉足 软件开发 、设计生产 集成电路 、 光伏 和 电动车 等跨界产品。 华为由 任正非 于1987年创立，最初专注于制造 电话交换机 ，现已将业务范围扩展至建设 电信网络 ，为中国境内外企业提供运营和 咨询服务 及设备，以及为消费市场制造通信设备 [5] [6] 。 截至2023年12月 ，华为拥有超过207,000名员工，其中约有114,000人从事 研发工作 。 华为在全球拥有21个研发机构 [7] [8] ，36个联合创新中心及14个研究机构（分布在中国境外十余城市），每个研究所设有2-4个研发中心 [9] 。
4 天前 · 中国的傳說有 伏羲 做 八卦 ，而近代在湖广高庙文化遗址则出土了形状为八角星的占卜盘； 黃帝 時代 倉頡 造 文字 ，而近代考古出土則發現3,300年前（前1300年）的 甲骨文 、4,500年前的 陶文 、約5,000年前至8,000年前具有文字性質的龜骨契刻符號； 黃帝 時代 ...
3 天前 · Astrodynamics. In astronomy, Kepler's laws of planetary motion, published by Johannes Kepler between 1609 and 1619, describe the orbits of planets around the Sun. The laws modified the heliocentric theory of Nicolaus Copernicus, replacing its circular orbits and epicycles with elliptical trajectories, and explaining how planetary velocities vary.
