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2024年5月28日 · Vincenzo Salvatore Carmelo Francesco Bellini ( Italian: [vinˈtʃɛntso salvaˈtoːre karˈmɛːlo franˈtʃesko belˈliːni] ⓘ; 3 November 1801 – 23 September 1835) was an Italian opera composer, [1] [2] who was known for his long-flowing melodic lines for which he was named "the Swan of Catania ". [3] Many years later, in 1898, Giuseppe ...
5 天前 · The uncertainty principle, also known as Heisenberg's indeterminacy principle, is a fundamental concept in quantum mechanics. It states that there is a limit to the precision with which certain pairs of physical properties, such as position and momentum, can be simultaneously known.
4 天前 · Scope. Matrix calculus refers to a number of different notations that use matrices and vectors to collect the derivative of each component of the dependent variable with respect to each component of the independent variable. In general, the independent variable can be a scalar, a vector, or a matrix while the dependent variable can be any of ...
2 天前 · Japanese (日本語, Nihongo, [ɲihoŋɡo] ⓘ) is the principal language of the Japonic language family spoken by the Japanese people.
6 天前 · The Sydney Opera House is a multi-venue performing arts centre in Sydney, New South Wales, Australia. Located on the foreshore of Sydney Harbour, it is widely regarded as one of the world's most famous and distinctive buildings and a masterpiece of 20th-century architecture. [3] [4]
3 天前 · Parkinson's disease ( PD ), or simply Parkinson's, is a long-term neurodegenerative disease of mainly the central nervous system that affects both the motor system and non-motor systems. The symptoms usually emerge slowly, and as the disease progresses, non-motor symptoms become more common.
2 天前 · Christopher Robert Evans (born June 13, 1981) is an American actor. He began his career with roles in television series such as Opposite Sex in 2000.
