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| hyperfrequency wave; microwave | |||
| microwave An electromagnetic wave which has a wavelength between about 0.3 and 30 centimeters, corresponding to frequencies of 1-100 gigahertz; however there are no sharp boundaries between microwaves and infrared and radio waves | |||
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mikroaalto : 4 短语, 3 学科 |
| 一般 | 1 |
| 物理科学 | 2 |
| 电子产品 | 1 |