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資料更新日期 113-05-21 01:00
Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. Constructed between 1931 and 1936, during the Great Depression, it was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Its construction was the result of a massive effort ...
- 1933
- Six Companies, Inc. (structural), Gordon Kaufmann (exteriors)
- $49 million (1931 budget), ($713 million in 2021 dollars)
What links here Related changes Upload file Special pages Permanent link Page information Cite this page Get shortened URL Download QR code Map of major river basins These are the major U.S. river basins in the U.S., as designated by the U.S. Water ...
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.
Website. sdgs .un .org. The 2030 Agenda for Sustainable Development, adopted by all United Nations members in 2015, created 17 world Sustainable Development Goals ( SDGs ). They were created with the aim of " peace and prosperity for people and the planet..." [1] [2] [3] – while tackling climate change and working to preserve oceans and forests.
Pichai Sundararajan (born June 10, 1972 [3] [4] [5] ), better known as Sundar Pichai ( / ˈsʊndɑːr pɪˈtʃaɪ / ), is an American business executive. [6] [7] He is the chief executive officer (CEO) of Alphabet Inc. and its subsidiary Google. [8] Pichai began his career as a materials engineer. Following a short stint at the management ...
Bangkok, [a] officially known in Thai as Krung Thep Maha Nakhon [b] and colloquially as Krung Thep, [c] is the capital and most populous city of Thailand. The city occupies 1,568.7 square kilometres (605.7 sq mi) in the Chao Phraya River delta in central Thailand and has an estimated population of 9.0 million as of 2021, 13% of the country's ...
e. In economics, the Gini coefficient ( / ˈdʒiːni / JEE-nee ), also known as the Gini index or Gini ratio, is a measure of statistical dispersion intended to represent the income inequality, the wealth inequality, or the consumption inequality [3] within a nation or a social group. It was developed by Italian statistician and sociologist ...
