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1 天前 · A Doctor of Philosophy ( PhD, Ph.D., or DPhil; Latin: philosophiae doctor or doctor philosophiae) is a terminal degree that usually denotes the highest level of academic achievement in a given discipline and is awarded following a course of graduate study and original research.
4 天前 · Philosophy ('love of wisdom' in Ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, value, mind, and language. It is a rational and critical inquiry that reflects on its own methods and assumptions.
2 天前 · The Qing dynasty ( / tʃɪŋ / ching ), officially the Great Qing, [d] was a Manchu -led imperial dynasty of China and the last imperial dynasty in Chinese history. [e] The dynasty, proclaimed in Shenyang in 1636, [7] seized control of Beijing in 1644, which is considered the start of the dynasty's rule.
4 天前 · Stephen William Hawking, CH, CBE, FRS, FRSA (8 January 1942 – 14 March 2018) was an English theoretical physicist, cosmologist, and author who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge. [6] [17] [18] Between 1979 and 2009, he was the Lucasian Professor of Mathematics at ...
2 天前 · Richard Feynman. Richard Phillips Feynman ( / ˈfaɪnmən /; May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, as well as his work in particle ...
2 天前 · Friedrich Wilhelm Nietzsche [ii] (15 October 1844 – 25 August 1900) was a German classical scholar, philosopher, and critic of culture, who became one of the most influential of all modern thinkers. [14] . He began his career as a classical philologist before turning to philosophy.
5 天前 · The sortable table below contains the three sets of ISO 3166-1 country codes for each of its 249 countries, links to the ISO 3166-2 country subdivision codes, and the Internet country code top-level domains (ccTLD) which are based on the ISO 3166-1 alpha-2 standard with the few exceptions noted.
