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  1. 6 天前 · The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the tallest building since 2010. The Burj Khalifa has been classified as megatall. A diagram showing the tallest buildings as of 2024 This is a list of the tallest buildings.Tall buildings, such as skyscrapers, are intended here as enclosed structures with continuously occupiable floors and a height of at least 340 metres (1,120 ft).

  2. 5 天前 · Principal component analysis ( PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing . The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the data can be easily identified.

  3. 5 天前 · Pearson correlation coefficient. Several sets of ( x , y) points, with the correlation coefficient of x and y for each set. The correlation reflects the strength and direction of a linear relationship (top row), but not the slope of that relationship (middle), nor many aspects of nonlinear relationships (bottom).

  4. en.wikipedia.org › wiki › ParthenonParthenon - Wikipedia

    4 天前 · Etymology The origin of the word "Parthenon" comes from the Greek word parthénos (παρθένος), meaning "maiden, girl" as well as "virgin, unmarried woman".The Liddell–Scott–Jones Greek–English Lexicon states that it may have referred to the "unmarried women's apartments" in a house, but that in the Parthenon it seems to have been used for a particular room of the temple.

  5. en.wikipedia.org › wiki › Leo_TolstoyLeo Tolstoy - Wikipedia

    5 天前 · Leo Tolstoy at age 20, c. 1848. Tolstoy was born at Yasnaya Polyana, a family estate 12 kilometres (7.5 mi) southwest of Tula, and 200 kilometres (120 mi) south of Moscow. He was the fourth of five children of Count Nikolai Ilyich Tolstoy (1794–1837), a veteran of the Patriotic War of 1812, and Princess Mariya Tolstaya (née Volkonskaya; 1790 ...

  6. 6 天前 · Antoni Gaudí i Cornet [3] ( / ɡaʊˈdi / gow-DEE, / ˈɡaʊdi / GOW-dee, Catalan: [ənˈtɔni ɣəwˈði]; [4] 25 June 1852 – 10 June 1926) was a Catalan architect and designer from Spain, known as the greatest exponent of Catalan Modernism. [5] Gaudí's works have a highly individualized, sui generis style. Most are located in Barcelona ...

  7. 2024年5月31日 · The "Third Chinese Empire" (中華第三帝國) consisted of the Liao dynasty, the Jin dynasty, the Yuan dynasty, the Ming dynasty, and the Qing dynasty. Accordingly, the terms "Chinese Empire" and "Empire of China" need not necessarily refer to imperial dynasties that had unified China proper.

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