听声词典

pendulum

P 开头单词

音标发音

  • 英式音标 [ˈpen.dʒəl.əm]
  • 美式音标 [ˈpen.dʒəl.əm]
  • 国际音标 ['pendjuləm, -dʒə-]
  • 英式发音
  • 美式发音

基本解释

  • n. 钟摆；摇锤；摇摆不定的事态

词根记忆

  • pend(悬挂) + ulum→钟摆
  • pend(悬挂) + ulum→摆；钟摆
  • pend(挂) + ulum(东西)→挂的东西→钟摆

同根派生

  • adj性质的同根词
    pendulous：下垂的，悬垂的；摇摆的。

英汉例句

    用作名词 (n.)

  • The ball which hung the roof is compound pendulum.
    悬挂在墙上的钟来回摆动。

词组短语

    用作名词 (n.)

    形容词+～

  • simple pendulum 单摆；数学摆

    • ～+介词

  • the pendulum of public opinion 舆论的动荡

    • 短语

  • ballistic pendulum [力]弹道摆;弹道摆锤;冲悔
  • torsional pendulum [力]扭摆;扭转摆;翻译
  • pendulum saw [木]摆锯;摆式锯;吊截锯;钟摆锯
  • horizontal pendulum [力][天]水平摆;水平摆
  • pendulum relay 振子继电器;摆动子继电器;振动子继电器;[电]摆式继电器

英英字典

    剑桥英英字典

  • 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.

专业释义

    计算机科学技术

  • 倒立摆

    Pendulum is a unlinear, coupling, variable and natural unsteadiness system.
    倒立摆系统是非线性、强耦合、多变量和自然不稳定的系统。

    机械工程

  • 单摆

    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.
    本文主要设计了卡特彼勒公司定制的挖掘机空调的风速流量采集系统,提出了一种基于单摆法的流量测量方法,该方法的原理是基于流体阻力式的。

  • 飞摆

    • 物理学

  • 倒立摆

    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.
    本文明确控制目标,以二级倒立摆为例,在建立了倒立摆的数学模型的基础上,对其进行求解,采用模糊控制的方法,引入带自调整函数的模糊控制器,通过参数调整,达到最优的控制效果。

  • 单摆
  • 摆

    • 航空、航天科学技术

  • 钟摆

    Then the equation of helicopter pendulum is derived from the nonlinear differential equation and linear differential equation, with the principle of helicopter aerodynamics.
    深入探讨了单旋翼涵道风扇式无人直升机的动力学原理,结合其全量方程和线性化增量方程,推导出了其钟摆模态的数学表示。