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  1. en.wikipedia.org › wiki › Isaac_NewtonIsaac Newton - Wikipedia

    13 小時前 · Sir Isaac Newton FRS (25 December 1642 – 20 March 1726/27 [a]) was an English polymath active as a mathematician, physicist, astronomer, alchemist, theologian, and author who was described in his time as a natural philosopher. [7] He was a key figure in the Scientific Revolution and the Enlightenment that followed.

  2. 5 天前 · Chinese New Year or the Spring Festival (see also § Names) is a festival that celebrates the beginning of a new year on the traditional lunisolar Chinese calendar.

  3. 6 天前 · The three laws of motion were first stated by Isaac Newton in his Philosophiæ Naturalis Principia Mathematica ( Mathematical Principles of Natural Philosophy ), originally published in 1687. [3] Newton used them to investigate and explain the motion of many physical objects and systems.

  4. 2024年6月13日 · In trigonometry, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. Geometrically, these are identities involving certain functions of one or more angles.

  5. 6 天前 · The speed at which the individual crests and troughs of a plane wave (a wave filling the whole space, with only one frequency) propagate is called the phase velocity vp. A physical signal with a finite extent (a pulse of light) travels at a different speed.

  6. 3 天前 · Google Translate is a multilingual neural machine translation service developed by Google to translate text, documents and websites from one language into another. It offers a website interface, a mobile app for Android and iOS, as well as an API that helps developers build browser extensions and software applications. [3] .

  7. en.wikipedia.org › wiki › PokémonPokémon - Wikipedia

    2 天前 · General concept. The Pokémon franchise is set in a world in which humans coexist with creatures known as Pokémon. Pokémon Red and Blue contain 151 Pokémon species, with new ones being added in subsequent games; as of January 2024, 1,025 Pokémon species have been introduced.