| 1. | Each burst of waves lasts only about a millionth of a second . 每个电波脉冲群仅持续约一百万分之一秒的时间。 |
| 2. | Do any of these radio waves sweeping through space to the earth contain a message ? 在飞越空间到达地球的这些无线电波中,是否可能有一些电波包含着某一种信息呢? |
| 3. | The ability of the ionosphere to reflect these waves is dependent upon normal variations in the electron density at different levels . 电离层反射电波的能力取决于不同高度上电子密度的正常差别。 |
| 4. | Nothing is to be heard except the sound of the wave 除了电波的声音什么也听不到。 |
| 5. | Show electric rice cooker , pressure cooker , convection oven 超旋流电波炉共3个产品,第 |
| 6. | Modeling of propagation path loss in a canopy 树冠中电波传播路径损耗的研究及模型的建立 |
| 7. | He asked a good question on the radio this morning 他今天早上在电波里面的问题问得很好 |
| 8. | He asked a good question on the radio this morning 他今天早上在电波里面的问题问得很好 |
| 9. | The management and construction of anechoic chamber 电波暗室的建造和管理 |
| 10. | Propagation of waves ; terms and definitions 电讯技术.电波传播.术语定义 |