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单词 θ198055
释义
society > communication > telecommunication > telegraphy or telephony > telephony > [noun] > types of (6)
telephonography1889

The working or use of a telephonograph. Now historical.

wireless telephony1899

Telephony in which the signal is transmitted by radio waves rather than over wires; = radio-telephony, n. Also in extended use.

radio-telephony1906

Telephony in which the signal is transmitted by radio; wireless telephony.

touch-tone1962

The touch-tone system (see sense A.).

mobile telephony1965

(the system of) communication by mobile telephone.

POTS1970

Plain Old Telephone Service (or System), a telephone service regarded as unsophisticated; (now, Computing) the analogue telephone network, as…

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