英语词汇“two-tone keying”的读音、翻译、释义、用法及例句-语文网

词汇	two-tone keying
释义	two-tone keying 双音调变，双音键控（=frequency-shift keying）
随便看	COS COS cos cos. Cosa Nostra cosec cosecant coseismal coseismic coset cosh darken darkened dark-field microscope dark glasses dark horse darkie darkish mademoiselle high sea high seas high season high selectivity high sign high-sounding

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