| 单词 |
harrison's gridiron pendulum |
| 释义 |
Harrison's gridiron pendulum Harrison's gridiron pendulum[¦har·i·sənz ′grid‚ī·ərn ‚pen·jə·ləm] (design engineering) A type of compensated pendulum that has five iron rods and four brass rods arranged so that the effects of their thermal expansion cancel. |
| 随便看 |
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