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  2. Educational technology - Wikipedia

    en.wikipedia.org/wiki/Educational_technology

    Educational technology (commonly abbreviated as edutech, or edtech) is the combined use of computer hardware, software, and educational theory and practice to facilitate learning.

  3. Hoàng Lê nhất thống chí - Wikipedia

    en.wikipedia.org/wiki/Hoàng_Lê_nhất_thống_chí

    Hoàng Lê nhất thống chí (皇 黎 一 統 志, Records of the Unification of Imperial Lê), also known as An Nam nhất thống chí (安 南 一 統 志, Records of the Unification of Annam), written by the Writers of Ngô family (吳 家 文 派, Ngô gia văn phái), is a Vietnamese historical novel written in Classical Chinese which consists of 17 chapter based upon the events in the ...

  4. Power amplifier classes - Wikipedia

    en.wikipedia.org/wiki/Power_amplifier_classes

    Class-A amplifiers may be used in output stages of op-amps [11] (although the accuracy of the bias in low cost op-amps such as the "741" may result in class A or class AB or class B performance, varying from device to device or with temperature). They are sometimes used as medium-power, low-efficiency, and high-cost audio power amplifiers.

  5. Stereolithography - Wikipedia

    en.wikipedia.org/wiki/Stereolithography

    Stereolithography or "SLA" printing is an early and widely used 3D printing technology. In the early 1980s, Japanese researcher Hideo Kodama first invented the modern layered approach to stereolithography by using ultraviolet light to cure photosensitive polymers.

  6. Battle of Ngọc Hồi-Đống Đa - Wikipedia

    en.wikipedia.org/wiki/Battle_of_Ngọc_Hồi...

    The Battle of Ngọc Hồi-Đống Đa or Qing invasion of Đại Việt (Vietnamese: Trận Ngọc Hồi - Đống Đa; Chinese: 清軍入越戰爭), also known as Victory of Kỷ Dậu (Vietnamese: Chiến thắng Kỷ Dậu), was fought between the forces of the Vietnamese Tây Sơn dynasty and the Qing dynasty in Ngọc Hồi [] (a place near Thanh Trì) and Đống Đa in northern Vietnam ...

  7. iPhone 11 - Wikipedia

    en.wikipedia.org/wiki/IPhone_11

    The iPhone 11 is a smartphone developed and marketed by Apple. It is the thirteenth generation of iPhone , succeeding the iPhone XR , and was unveiled on September 10, 2019, alongside the higher-end iPhone 11 Pro at the Steve Jobs Theater in Apple Park , Cupertino, by Apple CEO Tim Cook .

  8. Phan Bội Châu - Wikipedia

    en.wikipedia.org/wiki/Phan_Bội_Châu

    Phan Bội Châu (Vietnamese: [faːn ɓôjˀ cəw]; 26 December 1867 – 29 October 1940), born Phan Văn San, courtesy name Hải Thụ (later changed to Sào Nam), was a pioneer of 20th century Vietnamese nationalism.

  9. Mai Thúc Loan - Wikipedia

    en.wikipedia.org/wiki/Mai_Thúc_Loan

    Mai Thúc Loan (or Mai Huyền Thành (梅 玄 成), self-proclaimed Mai Hắc Đế (梅 黑 帝, The Black Emperor or The Swarthy Emperor), was the Vietnamese leader of the uprising in 722 AD against the rule of the Chinese Tang dynasty in the provinces of Hoan Châu and Ái Châu (now Thanh Hóa and Nghệ An).