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3 天前 · The Summer Olympic Games, also known as the Games of the Olympiad, and often referred to as the Summer Olympics, is a major international multi-sport event normally held once every four years on leap years (except 1900 and 2021). The inaugural Games took place in 1896 in Athens, Greece, and the most recent Games were held in 2021 in Tokyo, Japan.
1 天前 · List of events F5 and EF5 Tornadoes in the United States 1950-2019 Detailed map The tornadoes on this list have been formally rated F5 by an official government source. Unless otherwise noted, the source of the F5 rating is the U.S. National Weather Service (NWS), as shown in the archives of the Storm Prediction Center (SPC) and National Climatic Data Center (NCDC).
3 天前 · Bird Tanchō (red-crowned crane, Grus japonensis) Flower Hamanasu (rugosa rose, Rosa rugosa) Mascot Kyun-chan (キュンちゃん) Tree Ezomatsu (Jezo spruce, Picea jezoensis) Hokkaido (Japanese: 北海道, Hepburn: Hokkaidō, pronounced [hokka idoː] , lit. ' Northern Sea Circuit ') is the second-largest island of Japan and comprises the largest and northernmost prefecture, making up its own ...
3 天前 · The Faroe or Faeroe Islands (/ˈfɛəroʊ/ FAIR-oh), or simply the Faroes (Faroese: Føroyar, pronounced [ˈfœɹjaɹ] ⓘ; Danish: Færøerne [ˈfeɐ̯ˌøˀɐnə]), are an archipelago in the North Atlantic Ocean and an autonomous territory of the Kingdom of Denmark. The official language of the country is Faroese, which is closely related to ...
2 天前 · Seoul, officially Seoul Special City, is the capital of the Republic of Korea (ROK), commonly known as South Korea, and the country's most populous urban area. The broader Seoul Capital Area, encompassing Gyeonggi province and Incheon metropolitan city, emerged as the world's fourth largest metropolitan economy in 2014, trailing only Tokyo, New York City, and Los Angeles, hosting more than ...
1 天前 · Visual comparison of convolution, cross-correlation, and autocorrelation.For the operations involving function , and assuming the height of is 1.0, the value of the result at 5 different points is indicated by the shaded area below each point. The symmetry of is the reason and are identical in this example. ...
2 天前 · This is a list of countries and dependencies by population. It includes sovereign states, inhabited dependent territories and, in some cases, constituent countries of sovereign states, with inclusion within the list being primarily based on the ISO standard ISO 3166-1. For instance, the United Kingdom is considered a single entity, while the ...
