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Highway system in Taiwan. Highways in Taiwan are classified into five types: The system does not apply to other parts of Taiwan, namely Kinmen and Lienchiang counties, and islands in the South China Sea . Expressways in Taiwan may be controlled-access highways similar to National Freeways or limited-access roads.
By the end of 2020, the total length of China's expressway network reached 161,000 kilometres (100,000 mi), [5] the world's largest expressway system by length, having surpassed the overall length of the American Interstate Highway System in 2011. [6] Planned length of China's National Trunk Highway System is 168,478 kilometres (104,687 mi) by ...
- GXX (National expressways), GXXxx (Auxiliary National expressways), SXX (Regional expressways)
- 168,000 km (2021) (104,000 mi)
- 7 June 1984
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.
Anning, depicted with her dog. Mary Anning (21 May 1799 – 9 March 1847) was an English fossil collector and palaeontologist. She made discoveries of Jurassic marine fossil beds in the cliffs along the English Channel at Lyme Regis, which changed the scientific thinking about prehistoric life and the history of the Earth.
In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable. The general form of its probability density function is. The parameter is the mean or expectation of the distribution (and also its median and mode ), while the parameter is its ...
The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.The number π appears in many formulae across mathematics and physics.It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although fractions such as are commonly used to ...
The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the tallest building since 2010. The Burj Khalifa has been classified as megatall. A diagram showing the tallest buildings as of 2024 This is a list of the tallest buildings.Tall buildings, such as skyscrapers, are intended here as enclosed structures with continuously occupiable floors and a height of at least 340 metres (1,120 ft).
