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  1. en.wikipedia.org › wiki › MaldivesMaldives - Wikipedia

    1 天前 · The Maldives, officially the Republic of Maldives, and historically known as Maldive Islands, is a country and archipelagic state in South Asia in the Indian Ocean. The Maldives is named after the main island and capital, Malé.The Maldives is southwest of Sri Lanka and India, about 750 kilometres (470 miles; 400 nautical miles) from the Asian continent's mainland.

  2. en.wikipedia.org › wiki › Travel_visaTravel visa - Wikipedia

    5 天前 · Travel visa. A United States visa issued in 2014. A visum ( lat. “something seen” [1], pl. visa from Latin charta visa 'papers that have been seen') [2] is a conditional authorization granted by a polity to a foreigner that allows them to enter, remain within, or leave its territory. Visas typically include limits on the duration of the ...

  3. en.wikipedia.org › wiki › Los_AngelesLos Angeles - Wikipedia

    1 天前 · Los Angeles, often referred to by its initials L.A., is the most populous city in the U.S. state of California.With roughly 3.9 million residents within the city limits as of 2020, Los Angeles is the second-most populous city in the United States, behind only New York City; it is also the commercial, financial and cultural center of Southern California.

  4. 1 天前 · Quantum System One, a quantum computer by IBM from 2019 with 20 superconducting qubits A quantum computer is a computer that takes advantage of quantum mechanical phenomena. On small scales, physical matter exhibits properties of both particles and waves, and quantum computing leverages this behavior, specifically quantum superposition and entanglement, using specialized hardware that supports ...

  5. 2 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.

  6. en.wikipedia.org › wiki › Voyager_1Voyager 1 - Wikipedia

    3 天前 · Spacecraft components. The 3.7 m (12 ft) diameter high gain dish antenna used on the Voyager craft. Voyager 1 was built by the Jet Propulsion Laboratory (JPL). It has 16 hydrazine thrusters, three-axis stabilization gyroscopes, and referencing instruments to keep the probe's radio antenna pointed toward Earth.

  7. 2 天前 · The University of Pennsylvania (Penn or UPenn) is a private Ivy League research university in Philadelphia, Pennsylvania, U.S.It is one of nine colonial colleges and was chartered prior to the U.S. Declaration of Independence when Benjamin Franklin, the university's founder and first president, advocated for an educational institution that trained leaders in academia, commerce, and public service.

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