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3 天前 · Gold is a chemical element with the symbol Au (from the Latin word aurum) and the atomic number 79. In its pure form, it is a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal, a group 11 element, and one of the noble metals. It is one of the least reactive chemical elements ...
3 天前 · Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
1 天前 · The Airbus A350 is a long-range, wide-body twin-engine airliner developed and produced by Airbus. The initial A350 design proposed by Airbus in 2004, in response to the Boeing 787 Dreamliner, would have been a development of the Airbus A330 with composite wings and new engines. Due to inadequate market support, Airbus switched in 2006 to a ...
1 天前 · Chad is a large landlocked country spanning north-central Africa. It covers an area of 1,284,000 square kilometres (496,000 sq mi), [4] lying between latitudes 7° and 24°N, and 13° and 24°E, [44] and is the twentieth-largest country in the world. Chad is, by size, slightly smaller than Peru and slightly larger than South Africa.
2 天前 · Bitcoin (abbreviation: BTC; sign: ) is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight. Consensus between nodes is achieved using a computationally intensive process based on proof of work, called mining, that guarantees the ...
20 小時前 · FIFA.com. The Fédération internationale de football association ( French for ' International Federation of Association Football '; abbreviated as FIFA and pronounced in English as / ˈfiːfə / FEE-fə) is an international self-regulatory governing body of association football, beach soccer, and futsal. It was founded in 1904 [3] to oversee ...
1 天前 · List of tz database time zones. The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software. [1] This is a list of time zones from release 2024a of the tz database. [2]
