[化] 数学摆

mathematical pendulum的用法和样例：

例句

In the simulation, the multiple inverted pendulum system can be controlled well by the NBCS.透过模拟，此一网路频宽控制机制成功的在网路控制系统下将多倒单摆控制良好。
A vibration period tends to decrease or remain constant as energy is lost, as is the case for a pendulum.在损失能量时，振动周期倾向于减小或保持不变，如同单摆那样。

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