pendulum

音標發(fā)音

• 英式音標 [?pen.d??l.?m]
• 美式音標 [?pen.d??l.?m]
• 國際音標 ['pendjul?m, -d??-]
• 英式發(fā)音
• 美式發(fā)音

基本解釋

• n. 鐘擺；搖錘；搖擺不定的事態(tài)

詞根記憶

• pend(懸掛) + ulum→鐘擺
• pend(懸掛) + ulum→擺；鐘擺
• pend(掛) + ulum(東西)→掛的東西→鐘擺

同根派生

• adj性質(zhì)的同根詞

  pendulous：下垂的，懸垂的；搖擺的。

• pendulum相關詞

英漢例句

用作名詞 (n.)

• The ball which hung the roof is compound pendulum.
  懸掛在墻上的鐘來回擺動。

• pendulum更多例句

詞組短語

用作名詞 (n.)

形容詞+～

• simple pendulum 單擺；數(shù)學擺

～+介詞

• the pendulum of public opinion 輿論的動蕩

短語

• ballistic pendulum [力]彈道擺;彈道擺錘;沖悔
• torsional pendulum [力]扭擺;扭轉擺;翻譯
• pendulum saw [木]擺鋸;擺式鋸;吊截鋸;鐘擺鋸
• horizontal pendulum [力][天]水平擺;水平擺
• pendulum relay 振子繼電器;擺動子繼電器;振動子繼電器;[電]擺式繼電器

• pendulum更多詞組

英英字典

劍橋英英字典

• a device consisting of a weight on a stick or thread that moves from one side to the other, especially one that forms a part of some types of clocks

柯林斯英英字典

• The pendulum of a clock is a rod with a weight at the end which swings from side to side in order to make the clock work.
• You can use the idea of a pendulum and the way it swings regularly as a way of talking about regular changes in a situation or in people's opinions.

• pendulum劍橋字典
• pendulum柯林斯字典

專業(yè)釋義

計算機科學技術

• 倒立擺

  Pendulum is a unlinear, coupling, variable and natural unsteadiness system.
  倒立擺系統(tǒng)是非線性、強耦合、多變量和自然不穩(wěn)定的系統(tǒng)。

  機械工程

• 單擺

  This paper mainly designs a kind of velocity collection system of the excavators which is ordered by Caterpillar Company. A new method in measuring the velocity is advanced, based on the pendulum.
  本文主要設計了卡特彼勒公司定制的挖掘機空調(diào)的風速流量采集系統(tǒng),提出了一種基于單擺法的流量測量方法,該方法的原理是基于流體阻力式的。

• 飛擺

物理學

• 倒立擺

  It regards double inverted pendulum as an example. Based on the mathematics model of inverted pendulum, it adopts fuzzy control, introduces self-regulating function fuzzy controller, reaching optimized control through parameter regulation.
  本文明確控制目標,以二級倒立擺為例,在建立了倒立擺的數(shù)學模型的基礎上,對其進行求解,采用模糊控制的方法,引入帶自調(diào)整函數(shù)的模糊控制器,通過參數(shù)調(diào)整,達到最優(yōu)的控制效果。

• 單擺
• 擺

航空、航天科學技術

• 鐘擺

  Then the equation of helicopter pendulum is derived from the nonlinear differential equation and linear differential equation, with the principle of helicopter aerodynamics.
  深入探討了單旋翼涵道風扇式無人直升機的動力學原理,結合其全量方程和線性化增量方程,推導出了其鐘擺模態(tài)的數(shù)學表示。