pendulum 是什么意思

音标：[ 'pendjuləm ]

名词复数:pendulums

中文翻译与英英解释

n.
1.(钟等的)摆。
2.动摇的人[物]；犹豫不决的人。
3.吊烛架。
短语和例子
a simple [compound] pendulum 单[复]摆。 a centrifugal pendulum 离心力调速器。 a pendulum orbit 【物理学】穿核轨道。 play pendulum 处于不稳定的状态，左右摇摆。 the swing of the pendulum 1. 摆的运动。 2. (人心的)向背。 3. (政党等的)一盛一衰，形势改变。

an apparatus consisting of an object mounted so that it swings freely under the influence of gravity

A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position.

例句与用法

	1.	He is playing pendulum between two opinions . 他在两种意见之间摇摆不定。
	2.	Great rollers make vessels play pendulum . 大浪使船只摇摇晃晃。
	3.	The present device is also called a conical pendulum . 上述装置也称为圆锥摆。
	4.	A grandfather clock has a pendulum that helps it work . 落地大座钟有一个帮助摆动的钟摆。
	5.	An alternative approach using pendulums and dashpots is often used . 叠代法中往往使用单摆和冲击板。
	6.	Then the pendulum boom and the pendulum are in equilibrium in any position . 则摆杆和摆在任何位置都处于平衡状态。
	7.	The pendulum has a little tongue and this tongue goes over one tooth of the wheel . 这个摆有个小舌簧，舌簧扣在轮子的齿上。
	8.	The mass of the pendulum bob does not change from one location to another on the earth's surface . 摆锤的质量在地面各处都一样。
	9.	The hydrometric pendulum is sometimes used to determine flow velocities in open channels . 测流速的摆锤有时用于确定明渠中的流速。
	10.	The swing is a pendulum with a single natural frequency depending on its length . 秋千是只有一个固有频率的摆，此频率决定于它的长度。

pendulum是什么意思

pendulum 是什么意思

中文翻译与英英解释

例句与用法