“range-tracking element”的概念、定义、翻译、参考文献-科学参考

单词	range-tracking element
释义	range-tracking element [`rānj ¦trak·iŋ ´el·ǝ·mǝnt] ^ELECTRONICS An element in a radar set which measures range and its time derivative; by means of the latter, a range gate is actuated slightly before the predicted instant of signal reception.
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