标题: IEEE Std 521-2002 IEEE Standard Letter Designations for Radar-Frequency Bands [打印本页] 作者: liuxilin1215 时间: 2015-1-7 20:53:04 标题: IEEE Std 521-2002 IEEE Standard Letter Designations for Radar-Frequency Bands
IEEE Std 521-2002 IEEE Standard Letter Designations for Radar-Frequency Bands