| 单词 | navigational instrument |
| 释义 | navigational instrument (once / 787955 pages) n WORD FAMILY navigational instrument: navigational instruments USAGE EXAMPLESBergo, who lost more than 30 pounds for the voyage so he could fit into the tub, did not carry maps, charts or navigational instruments. Seattle Times(Oct 26, 2016) Towering shelves are filled with weighty lead tomes and delicate navigational instruments. Seattle Times(Sep 26, 2016) The old man Daedalus was hunched over a worktable, wrestling with some kind of navigational instrument, like a huge compass. Rick Riordan, The Battle of the Labyrinth(2008) n an instrument used for navigating Hypo|Hyper artificial horizon, flight indicator, gyro horizon a navigational instrument based on a gyroscope; it artificially provides a simulated horizon for the pilot compassnavigational instrument for finding directions depth findernavigational instrument used to measure the depth of a body of water (as by ultrasound or radar) inclinometeran instrument showing the angle that an aircraft makes with the horizon asdic, echo sounder, sonara measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return gyrocompassa compass that does not depend on magnetism but uses a gyroscope instead magnetic compasscompass based on an indicator (as a magnetic needle) that points to the magnetic north fathometer, sonic depth finderdepth finder for determining depth of water or a submerged object by means of ultrasound waves instrument a device that requires skill for proper use |
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