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2024年6月22日 · The Maldives is southwest of Sri Lanka and India, about 750 kilometres (470 miles; 400 nautical miles) from the Asian continent's mainland. The Maldives' chain of 26 atolls stretches across the equator from Ihavandhippolhu Atoll in the north to Addu Atoll in the south. The Maldives is the smallest country in Asia.
4 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.
6 天前 · Valencia ( Spanish: [baˈlenθja] ⓘ, officially in Valencian: València [vaˈlensia]) [a] is the capital of the province and autonomous community of the same name. It is the third-most populated municipality in Spain, with 807,693 inhabitants (2023) within the Ciudad de Valencia [1] and 1,582,387 inhabitants (2021) within metropolis of the ...
5 天前 · Voyager 1 is a space probe launched by NASA on September 5, 1977, as part of the Voyager program to study the outer Solar System and the interstellar space beyond the Sun's heliosphere. It was launched 16 days after its twin, Voyager 2.
4 天前 · Marco Polo ( / ˈmɑːrkoʊ ˈpoʊloʊ / ⓘ, Venetian: [ˈmaɾko ˈpolo], Italian: [ˈmarko ˈpɔːlo] ⓘ; c. 1254 – 8 January 1324) [1] was a Venetian merchant, explorer and writer who travelled through Asia along the Silk Road between 1271 and 1295.
2024年6月20日 · Escherichia coli ( / ˌɛʃəˈrɪkiə ˈkoʊlaɪ / ESH-ə-RIK-ee-ə KOH-ly) [1] [2] is a gram-negative, facultative anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms.
2024年6月22日 · Numerical value, notation, and units The speed of light in vacuum is usually denoted by a lowercase c, for "constant" or the Latin celeritas (meaning 'swiftness, celerity'). In 1856, Wilhelm Eduard Weber and Rudolf Kohlrausch had used c for a different constant that was later shown to equal √ 2 times the speed of light in vacuum. . Historically, the symbol V was used as an alternative symbol ...
