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 pendulumâ€
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