“directional gyro”的概念、定义、翻译、参考文献-科学参考

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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