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4 天前 · 25,000,000 – 50,000,000 (estimated) The Black Death was a bubonic plague pandemic occurring in Europe from 1346 to 1353. It was one of the most fatal pandemics in human history; as many as 50 million people [2] perished, perhaps 50% of Europe's 14th century population. [3] The disease is caused by the bacterium Yersinia pestis and spread by ...
5 天前 · Death is the irreversible cessation of all biological functions that sustain a living organism. [1] The remains of a former organism normally begin to decompose shortly after death. [2] Death eventually and inevitably occurs in all organisms.
4 天前 · In machine learning applications where logistic regression is used for binary classification, the MLE minimises the cross-entropy loss function. Logistic regression is an important machine learning algorithm. The goal is to model the probability of a random variable being 0 or 1 given experimental data.
16 小時前 · The Russian Empire, also known as Imperial Russia or simply Russia, [e] [f] was a vast realm that spanned most of northern Eurasia from its proclamation in November 1721 until its dissolution in March 1917. At its height in the late 19th century, it covered about 22,800,000 square kilometres (8,800,000 sq mi), roughly one-sixth of the world's landmass, making it the third-largest empire in ...
1 天前 · Montenegro has an upper-middle-income economy, [22] and ranks 49th in the Human Development Index. [23] It is a member of the United Nations, NATO, the World Trade Organization, the Organization for Security and Co-operation in Europe, the Council of Europe, and the Central European Free Trade Agreement. [24] Montenegro is also a founding member of the Union for the Mediterranean, [25] and has ...
5 天前 · The total number of military and civilian casualties in World War I was about 40 million: estimates range from around 15 to 22 million deaths [1] and about 23 million wounded military personnel, ranking it among the deadliest conflicts in human history. The total number of deaths includes from 9 to 11 million military personnel.
3 天前 · The Battle of Kursk was a major World War II Eastern Front battle between the forces of Germany and the Soviet Union near Kursk in southwestern Russia during the summer of 1943, resulting in a Soviet victory. The Battle of Kursk was the single largest battle in the history of warfare. [39] [40] [41] It, along with the Battle of Stalingrad ...
