“narrow-sector recorder”的概念、定义、翻译、参考文献-科学参考

单词	narrow-sector recorder
释义	narrow-sector recorder [`nar·ō ¦sek·tǝr ri`kȯrd·ǝr] ^ELECTRONICS A radio direction finder with which atmospherics are received from a limited sector related to the position of the antenna; this antenna is usually rotated continuously and the bearings of the atmospherics recorded automatically.
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