| 单词 | directional gyro |
| 释义 | directional gyro [dǝ`rek·shǝn·ǝl `jī·rō] AEROSPACE ENGINEERING A flight instrument incorporating a gyro that holds its position in azimuth and thus can be used as a directional reference. Also known as direction indicator. MECHANICS A two-degrees-of- freedom gyro with a provision for maintaining its spin axis approximately horizontal. |
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