搜尋結果
The COVID-19 pandemic, also known as the coronavirus pandemic, is a global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identified in an outbreak in Wuhan, the capital of Hubei, China, in December 2019, before it spread to other areas of Asia, and then worldwide in early 2020.
- 6,956,160 (reported), 17.5–31.4 million (estimated)
- Worldwide
- Coronavirus disease 2019 (COVID-19)
- Severe acute respiratory syndromecoronavirus 2 (SARS‑CoV‑2)
Along with the trumpeter swan, it is one of the longest birds native to North America, with an overall length of about 50 to 70 inches (130 to 180 cm). The beak measures 11.3 to 15.2 inches (290 to 390 mm) in males and 10.3 to 14.2 inches (260 to 360 mm) in females, while its wingspan is around 95 to 120 inches (240 to 300 cm).
ISO 3166-1 ( Codes for the representation of names of countries and their subdivisions – Part 1: Country codes) is a standard defining codes for the names of countries, dependent territories, and special areas of geographical interest. It is the first part of the ISO 3166 standard published by the International Organization for Standardization .
The above expansion holds because the derivative of e x with respect to x is also e x, and e 0 equals 1. This leaves the terms (x − 0) n in the numerator and n! in the denominator of each term in the infinite sum. History The ancient Greek philosopher Zeno of Elea considered the problem of summing an infinite series to achieve a finite result, but rejected it as an impossibility; the result ...
An action game, titled Attack on Titan: Humanity in Chains (進撃の巨人 ~反撃の翼~, Shingeki no Kyojin ~Hangeki no Tsubasa~, subtitle lit. "Wings of Counterattack"), was developed by Spike Chunsoft for the Nintendo 3DS and released in Japan on December 5, 2013, North America on May 12, 2015, and Europe on July 2, 2015.
Satoshi Nakamoto is the name used by the presumed pseudonymous[1][2][3][4] person or persons who developed Bitcoin, authored the Bitcoin white paper, and created and deployed Bitcoin's original reference implementation.[5] As part of the implementation, Nakamoto also devised the first blockchain database.[6] Nakamoto was active in the ...
Gmail is an email service provided by Google. As of 2019,[update] it had 1.5 billion active users worldwide, making it the largest email service in the world.[1] It also provides a webmail interface, accessible through a web browser, and is also accessible through the official mobile application. Google also supports the use of third-party ...