1. Neutralize the harmful cation, reduces the radiation electric wave.

2. This needs to undertake metrical in electric wave darkroom.

3. Nowadays the techniques of electric wave, chaff and infrared jamming and deceiving are effective high-tech measures against anti-ship missiles in the world.

4. Fashionable mobile phone is taken, attend class electric wave expresses love.

5. An SOS message pass electric wave along to the base.

6. We have finally found a converter for electric wave therapy machine. Dr.

7. In this paper, the transmission performance and transmission manner of superfrequency electric wave and the calculations of stadia and communication distance are discussed.

8. The method of calculating the reflection point positions and path clearance of the electric wave at the level ground and mountainous region for the microwave relay communication is described.