pendulum

n.

摆，钟摆；摇摆不定的事态（或局面）；

复数：pendulums

inverted pendulum倒立摆；倒摆

simple pendulum单摆；数学摆

compound pendulum [物]复摆；[物]物理摆（等于physical pendulum）

foucault's pendulum傅科摆

torsion pendulum扭秤；扭转摆

pendulum swing测锤摆幅

pendulum clock摆钟

1. A pendulum oscillates.
   摆锤能摆动。
2. The pendulum of the clock in my room is a bear.
   我房间的钟摆是小熊形状的。
3. The pendulum swings with great regularity.
   钟摆很有规律地摆动着。
4. Since the last election, the pendulum of public opinion has swung back against the government.
   自从上次大选以来,公众舆论又转回到反对政府。

Swinging up a pendulum by energy control ☆
A Simple Pendulum Technique for Achieving Seismic Isolation
Chaotic states and routes to chaos in the forced pendulum
Control of unstable mechanical system Control of penduluma?
Hybrid control for global stabilization of the cart-pendulum system
Theory and research in strategic management: swings of a pendulum
When to start therapy for HIV infection: a swinging pendulum in search of data.
Variability and reliability of the pendulum test for spasticity using a Cybex II isokinetic dynamometer.
Erratum: Self-induced conversion in dense neutrino gases: Pendulum in flavor space [Phys. Rev. D 74 , 105010 (2006)]
Terrorism: Toward an overarched account and prevention with a special reference to pendulum interplay between both parties