liuxilin1215 发表于 2015-1-7 20:53:04

IEEE Std 521-2002 IEEE Standard Letter Designations for Radar-Frequency Bands

IEEE Std 521-2002 IEEE Standard Letter Designations for Radar-Frequency Bands


admin 发表于 2015-1-8 09:55:10

谢谢您的分享，金币已奖励

exam 发表于 2015-1-12 09:03:14

IEEE Std 521-2002 IEEE Standard Letter Designations for Radar-Frequency Bands:):):)

jodan1973 发表于 2016-1-29 12:04:00

good and thanks, i find it for a long time, thanks again

qwanghuazhang 发表于 2016-3-8 07:38:08

谢谢！！！！！！
分享！！！！！！！
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