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3 天前 · Heathrow Airport (/ ˌ h iː θ ˈ r oʊ, ˈ h iː θ r oʊ /), called London Airport until 1966 (IATA: LHR, ICAO: EGLL), is the main international airport serving London, the capital of England and the United Kingdom.It is the largest of the six international airports in the London airport system (the others being Gatwick, City, Luton, Stansted and Southend).
4 天前 · Gaia is the personification of the Earth, and these are her offspring as related in various myths. Some are related consistently, some are mentioned only in minor variants of myths, and others are related in variants that are considered to reflect a confusion of the ...
3 天前 · Viète. de Moivre. Euler. Fourier. v. t. e. 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.
