单词	gyrocompass
释义	gyrocompass noun gy·​ro·​com·​pass ˈjī-rō-ˌkəm-pəs   also  -ˌkäm- : a compass consisting of a continuously driven gyroscope whose spinning axis is confined to a horizontal plane so that the earth's rotation causes it to assume a position parallel to the earth's axis and thus point to the true north Example Sentences Recent Examples on the Web His submarine tumbled flailing into the water, its gyrocompass already broken. Chieko Tsuneoka, WSJ, 7 Dec. 2021 Among the downstream effects of the steam-engine malfunction was the failure of the gyrocompass, the principal tool that the Palau’s navigation team relied upon. Annie Murphy Paul, Wired, 15 June 2021 Without the gyrocompass, the team had to manually ascertain the position of the ship, relying on bearings taken from multiple landmarks on shore. Annie Murphy Paul, Wired, 15 June 2021 When Perry was writing, gyrocompasses were cutting-edge, immature technology. Frank Wilczek, WSJ, 13 Sep. 2018 The first of these is the EM3000 multi-beam sonar — a portable hydrographic mapping system consisting of a transducer, motion sensor, gyrocompass, and navigation system. Louise Knapp, WIRED, 27 Feb. 2001 Word History First Known Use 1910, in the meaning defined above
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