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1 天前 · The Cambodian genocide [a] was the systematic persecution and killing of Cambodian citizens [b] by the Khmer Rouge under the leadership of Prime Minister of Democratic Kampuchea, Pol Pot. It resulted in the deaths of 1.5 to 2 million people from 1975 to 1979, nearly 25% of Cambodia's population in 1975 ( c. 7.8 million).
2 天前 · Tibet (/tɪˈbɛt/ ⓘ; Tibetan: བོད, Lhasa dialect: [pʰøːʔ˨˧˩] Böd; Chinese: 西藏; pinyin: Xīzàng), or Greater Tibet, is a region in the central part of East Asia, covering much of the Tibetan Plateau and spanning about 2,500,000 km2 (970,000 sq mi). It is the homeland of the Tibetan people. Also resident on the plateau are ...
4 天前 · Impressionism was a 19th-century art movement characterized by relatively small, thin, yet visible brush strokes, open composition, emphasis on accurate depiction of light in its changing qualities (often accentuating the effects of the passage of time), ordinary subject matter, unusual visual angles, and inclusion of movement as a crucial element of human perception and experience.
5 天前 · The Planck constant, or Planck's constant, denoted by , [1] is a fundamental physical constant [1] of foundational importance in quantum mechanics: a photon 's energy is equal to its frequency multiplied by the Planck constant, and the wavelength of a matter wave equals the Planck constant divided by the associated particle momentum.
1 天前 · Sustainability is a social goal for people to co-exist on Earth over a long time. Definitions of this term are disputed and have varied with literature, context, and time. [2] [1] Sustainability usually has three dimensions (or pillars): environmental, economic, and social. [1]
3 天前 · William Shakespeare. William Shakespeare ( c. 23 [a] April 1564 – 23 April 1616) [b] was an English playwright, poet, and actor. He is widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist. [4] [5] [6] He is often called England's national poet and the " Bard of Avon " (or simply "the Bard").
1 天前 · Mohammad Reza Shah's voice. Mohamed Reza on the nonrenewability of oil. Recorded 1971. Mohammed Reza Pahlavi [a] (26 October 1919 – 27 July 1980), commonly referred to in the Western world as Mohammad Reza Shah , [b] or just simply The Shah, was the last monarch of Iran. He began ruling the Imperial State of Iran after succeeding his father ...
