Greek letter, from Hebrew, literally "little mouth." As the name of the mathematical constant, from 1841 in English, used in Latin 1748 by Swiss mathematician Leonhart Euler (1707-1783), as an abbreviation of Greek periphereia "periphery." For the meaning "printer's term for mixed type," see pie (3).
双语例句
1. We proposed P 2 I algorithm combined with proportional controller and PI controller.
提出了结合了比例控制器和PI控制器 特点的P2I算法.
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2. The carbonization and the graphitization of PI filament were described.
叙述了PI原丝的碳化和石墨化过程.
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3. Some AQM algorithms, such as REM and PI, explore this aspect.
随机指数标记算法REM、比例积分控制器PI都在这方面作了探索性的研究.
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4. PI controller made the respond speed faster and the overshoot less.
PI控制器使响应的速度更快,超调量更小.
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5. I am sending you the new PI now, please kindly check.