“electronic distance-measuring equipment”的概念、定义、翻译、参考文献-科学参考

单词	electronic distance-measuring equipment
释义	electronic distance-measuring equipment [i´lek`trän·ik `dis·tǝns ´mezh·ǝ·riŋ i´kwip·mǝnt] ^NAVIGATION A navigation system consisting of airborne devices that transmit microsecond pulses to special ground beacons, which retransmit the signals to the aircraft; the length of expired time between transmission and reception is measured, converted to kilometers or miles, and presented to the pilot.
随便看	mental deficiency mental health mental hygiene mental illness mental retardation mental telepathy mentation Menthaceae menthane menthene menthol menthone menthyl menton-philtrum menton-supramentale hydrogen hydrogenase hydrogenated oil hydrogenation hydrogen bacteria hydrogen blistering hydrogen bomb hydrogen bond hydrogen brazing hydrogen bromide

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