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2 天前 · The McDonnell Douglas F-4 Phantom II [N 1] is an American tandem two-seat, twin-engine, all-weather, long-range supersonic jet interceptor and fighter-bomber originally developed by McDonnell Aircraft for the United States Navy. [2] Proving highly adaptable, it entered service with the Navy in 1961 [3] before it was adopted by the United States ...
2 天前 · The McDonnell Douglas F/A-18 Hornet is an all-weather supersonic, twin-engine, carrier -capable, multirole combat aircraft, designed as both a fighter and attack aircraft (hence the F/A designation ). Designed by McDonnell Douglas and Northrop, the F/A-18 was derived from the latter's YF-17 in the 1970s for use by the United States Navy and ...
2 天前 · Paul Cézanne ( / seɪˈzæn / say-ZAN, UK also / sɪˈzæn / siz-AN, US also / seɪˈzɑːn / say-ZAHN, [1] [2] French: [pɔl sezan]; 19 January 1839 – 22 October 1906) was a French Post-Impressionist painter whose work introduced new modes of representation and influenced avant-garde artistic movements of the early 20th century.
3 天前 · Down syndrome or Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability, and characteristic physical features. [1] [12] There are three types of Down syndrome, the ...
2 天前 · Tonga (/ˈtɒŋə/ TONG-ə, /ˈtɒŋɡə/ TONG-gə;[a] Tongan: [ˈtoŋa]), officially the Kingdom of Tonga (Tongan: Puleʻanga Fakatuʻi ʻo Tonga), is an island country in Polynesia, part of Oceania. The country has 171 islands – of which 45 are inhabited.[1] Its total surface area is about 750 km2 (290 sq mi), scattered over 700,000 km2 ...
