英语词汇“radar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	radar
释义	Word Frequency radar (ˈreɪdɑː) noun 1. a method for detecting the position and velocity of a distant object, such as an aircraft. A narrow beam of extremely high-frequency radio pulses is transmitted and reflected by the object back to the transmitter, the signal being displayed on a radarscope. The direction of the reflected beam and the time between transmission and reception of a pulse determine the position of the object Former name: radiolocation 2. the equipment used in such detection Word origin C20 ra(dio) d(etecting) a(nd) r(anging)
随便看	Westphalian West Point West Pointer Westpreussen West Prussia West Riding West Saxon west-southwest West Sussex West Turkestan West Virginia West Virginian westward westwardly Westwood West Yorkshire wet weta wet AMD wet-and-dry-bulb thermometer wetback wet bar wet behind the ears Wetbike wet blanket

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