“domestic public-frequency bands”的概念、定义、翻译、参考文献-科学参考

单词	domestic public-frequency bands
释义	domestic public-frequency bands [dǝ`mes·tik ¦pǝb·lik `frē·kwǝn·sē ´banz] ^{COMMUNICATIONS} Radio-frequency bands reserved for public service within the United States.
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