搜尋結果
2 天前 · History (derived from Ancient Greek ἱστορία (historía) 'inquiry; knowledge acquired by investigation') [1] is the systematic study and documentation of the human past. [2] [3] The period of events before the invention of writing systems is considered prehistory. [4] ". History" is an umbrella term comprising past events as well as the ...
1 天前 · Latin ( lingua Latina, Latin: [ˈlɪŋɡʷa ɫaˈtiːna], or Latinum, Latin: [ɫaˈtiːnʊ̃]) is a classical language belonging to the Italic branch of the Indo-European languages. Considered a dead language, Latin was originally spoken in Latium (now known as Lazio ), the lower Tiber area around Rome. [1] .
3 天前 · Fibonacci sequence. In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn . The sequence commonly starts from 0 and 1, although some authors start the sequence from 1 and 1 or sometimes ...
1 天前 · The currency sign for the pound unit of sterling is £, which (depending on typeface) may be drawn with one or two bars: the Bank of England has exclusively used the single bar variant since 1975. Historically, a simple capital L (in the historic black-letter typeface, ) placed before the numerals, or an italic l. after them, was used in newspapers, books and letters.
3 天前 · according to International Monetary Fund estimates [n 1] [1] Countries by nominal GDP in 2019 [n 2] > $20 trillion. $10–20 trillion. $5–10 trillion. $1–5 trillion. $750 billion – $1 trillion. $500–750 billion. $250–500 billion.
3 天前 · Oxygen is a chemical element; it has symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. Oxygen is the most abundant element in Earth's crust, and after hydrogen and helium, it ...
1 天前 · Alexander Zverev ( German pronunciation: [alɛkˈsandɐ ˈtsfeːʁɛf]; [4] [5] [6] born 20 April 1997) is a German professional tennis player. He has been ranked by the ATP as high as world No. 2. Zverev's singles career highlights include a gold medal at the 2020 Tokyo Olympics, and titles at the 2018 and the 2021 ATP Finals.
