| 释义 |
wave ENERGYweIvn [C]the pattern in which some types of energy, such as sound, light and heat are spread or carried波，周波，振动radio waves无线电波Long wave refers to a range of radio waves used for broadcasting and receiving which are of 1000 metres or more in length.长波Radio stations that broadcast on long wave can be received further away than any others.以长波广播的无线电台比其它任何波段的传送范围都广。Medium wave refers to radio waves which have a length of between about 150 and 550 metres.中波Short wave refers to waves of a length which is less than 60 metres.短波A wave band is a set of radio waves of similar length which are used for broadcasting radio programmes.波段 [BRAINWAVE]
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