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| 收音機 (A part of a device that converts sound waves or mechanical movements into corresponding electric waves or impulses); 無線電話 (Electromagnetic waves longer than about 0.3 mm (frequencies lower than about 1 THz). Radio is used to transmit a wide variety of signals, using various frequency ranges and types of modulation, such as AM and FM broadcasts, microwave relays, and television broadcasts) | |||
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| A general expression applied to the use of radio waves | |||
| ra; rdo | |||
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radio : 6 phrases in 1 subject |
| Microsoft | 6 |