? 1 Why can antennas transmit or receive radio signals?
? 2 What antenna classification methods do you know?
? 3 What are the main indicators to determine the performance of the antenna?
? 4What is an
[i=s]This post was last edited by Aguilera on 2019-1-6 09:55[/i] [size=4] A humidifier is a household appliance that increases the humidity in a room. A humidifier can humidify a designated room, or i
On the evening of January 11, Beijing time, hard disk manufacturer Seagate announced today that it would close its Suzhou factory in China and lay off more than 2,000 employees. [/color] It is reporte
I want to develop a set of packages that can charge for different colored plates in the restaurant; :time:; the cost is negotiable, thank you! Contact Guo QQ: 394267183
dear all, recently a customer returned several IXTH20N50Ds. I took the digital multimeter (short range) and touched the D and S poles, and found a short circuit. After exchanging the probes, it was sh
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