radio waves

常见例句

• A photograph transmitted by radio waves, each image point being reproduced by a received electric impulse.
  无线电传真通过无线电波传送的照片，图像上的点由接收到的每一个电脉冲重新合成
• The sun sometimes spoils the propagation of radio waves.
  太阳有时会影响无线电波的传播。
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