On this same tack, you could take the barometer to the top of the building, attach a long rope to it, lower it to just above the street, and then swing it as a pendulum.

根据同样方法，将气压计带到屋顶，拴上一个长绳，直垂地面，像钟摆一样摆动。

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The swing-up, stabilization and tracking problem of the single linear inverted-pendulum is studied.

研究一级直线型倒立摆的起摆、镇定与跟踪问题。

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This paper briefly introduces the structure and principle of a new system of self-excited oscillations, which is a magnetic pendulum with swing-controlled switch.

本文将对一种新的自激振动系统，即带有摆控开关的磁力摆的结构、原理及实验结果作一扼要的介绍和讨论。

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Far from assuming that the swing of the pendulum will in good time carry the Tories inexorably back to power, some of his party's leaders have privately written off their chances of victory in the next election.

ECONOMIST: America��s spring of vigour

So will the swing of the political pendulum.

ECONOMIST: Twitchy times for William Hague

Mr Netanyahu, with an eye to the middle-of-the-road voter, could conceivably swing the pendulum leftwards again in the months ahead, perhaps carrying out the next phase of withdrawal prescribed by Wye and softening his refusal to free more political prisoners.

ECONOMIST: Israel and Palestine: Clinton’s trip | The