| 1. | Radio waves travel in straight lines .
无线电波是直线传播的。 |
| 2. | Moving the card upward produces a wave traveling from right to left .
卡片向上移动时，波就从右向左传播。 |
| 3. | In determining the attenuation for an areal array we must specify the direction of the wave travel .
在测定一种面积组合的压制性能时，我们必须明确波的传播方向。 |
| 4. | When a train of waves travels from left to right, the particles revolve clockwise in these paths .
一列波从左向右通过液体时，质点在这些路径上沿顺时针方向绕转。 |
| 5. | The sum of these two waves has an envelope, and as the waves travel along, the envelope rides on them at different speed .
两列波之和有一个包络，当两列波行进时，包络以不同的速率前进。 |
| 6. | The sum of these two waves has an envelope, and as the waves travel along the envelope rides on them at a different speed .
两列波之和有一个包络，当两列波行进时，包络以不同的速率前进。 |
| 7. | Electromagnetic wave travel as light wave do
电磁波的传播就像光波的传播一样。 |
| 8. | There ' s so many magnetic waves traveling in the airspace
有太多电磁波在空气中穿梭 |
| 9. | Electromagnetic waves travel at the same speed as light
电磁波传送的速度和光速相同。 |
| 10. | Waves travel down the length of the machine
波将会穿过整个机器。 |
