“low-frequency loran”的概念、定义、翻译、参考文献-科学参考

单词	low-frequency loran
释义	low-frequency loran [`lō ´frē·kwǝn·sē `lȯr´an] ^NAVIGATION A modification of standard loran, which operates in the low-frequency range of approximately 100 to 200 kilohertz to increase range over land and during daytime, and which matches cycles rather than envelopes of pulses to obtain a more accurate fix. Abbreviated LF loran. Also known as cycle-matching loran.
随便看	power circuit power component power control rod power control valve power cord power curve power cylinder power dam power density power-density spectrum power detection power detector power diode power distribution unit power divider power down power drill power-driven power efficiency power equation power excursion power factor power-factor controller power-factor meter power-factor regulator

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