移动通信的迅猛发展，对应用于无线通信系统的天线提出了小型化、宽频带、多频段工作等要求。
With the great development of wireless communication, there comes great demand of multi-frequency and broadband antennas of compact size.
移动通信的迅猛发展，对应用于无线通信系统的天线提出了小型化、宽频带、多频段工作等要求。
With the great development of wireless communication, there comes great demand of multi-frequency and broadband antennas of compact size.
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