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2 天前 · Etymology Shinkansen (新幹線) in Japanese means 'new trunk line' or 'new main line', but this word is used to describe both the railway lines the trains run on and the trains themselves. In English, the trains are also known as the bullet train. The term bullet train (弾丸列車, dangan ressha) originates from 1939, and was the initial name given to the Shinkansen project in its earliest ...
3 天前 · Wireless network technologies. In telecommunications, 5G is the fifth-generation technology standard for cellular networks, which cellular phone companies began deploying worldwide in 2019, and is the successor to 4G technology that provides connectivity to most current mobile phones. Like its predecessors, 5G networks are cellular networks, in ...
3 天前 · Electronic symbol. In electrical engineering, a capacitor is a device that stores electrical energy by accumulating electric charges on two closely spaced surfaces that are insulated from each other. The capacitor was originally known as the condenser, [1] a term still encountered in a few compound names, such as the condenser microphone.
1 天前 · Copper is a chemical element; it has symbol Cu (from Latin cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color. Copper is used as a conductor of heat and electricity, as a building material, and as a ...
3 天前 · Bratislava (/ ˌ b r æ t ɪ ˈ s l ɑː v ə / BRAT-iss-LAH-və, US also / ˌ b r ɑː t-/ BRAHT-, Slovak: [ˈbracislaʋa] ; Hungarian: Pozsony ), historically known as Pressburg (Preßburg) (German pronunciation: [ˈpʁɛsˌbʊʁk] ; Slovak: Prešporok), is the capital and largest city of Slovakia and the fourth largest of all cities on Danube river.
3 天前 · ARM (stylised in lowercase as arm, formerly an acronym for Advanced RISC Machines and originally Acorn RISC Machine) is a family of RISC instruction set architectures (ISAs) for computer processors. Arm Ltd. develops the ISAs and licenses them to other companies, who build the physical devices that use the instruction set.
3 天前 · The Alhambra ( / ælˈhæmbrə /, Spanish: [aˈlambɾa]; Arabic: الْحَمْرَاء, romanized : al-ḥamrāʼ ) is a palace and fortress complex located in Granada, Andalusia, Spain. It is one of the most famous monuments of Islamic architecture and one of the best-preserved palaces of the historic Islamic world, in addition to containing ...
