“long-wave radio”的概念、定义、翻译、参考文献-科学参考

单词	long-wave radio
释义	long-wave radio [`lȯŋ ´wāv `rād·ē·ō] ^{COMMUNICATIONS} A radio which can receive frequencies below the lowest broadcast frequency of 550 kilohertz.
随便看	double-theodolite observation double-throw circuit breaker double-throw switch double tide double-track tape recorder double triode doublet trigger double-tuned amplifier double-tuned circuit double-tuned detector double-U groove weld double valves double-V groove weld double-wall cofferdam double-wedge cut double weighing double-welded joint double-winding synchronous generator double word double-word addressing double-work doubling dose doubling the angle on the bow doubling time doubly linked ring

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