| 单词 | inverted pendulum |
| 释义 | > as lemmasinverted pendulum inverted pendulum n. a pendulum fixed at the base and with its upper end free; spec. a vertical rod having a heavy weight at its upper end and resting on a bearing at the other, held in position by springs which allow it to oscillate in a vertical plane. Also figurative.extracted from pendulumn.< as lemmas |
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