“cognitive radio，CR”的概念、定义、翻译、参考文献-科学参考

单词	cognitive radio，CR
释义	cognitive radio，CR Encyclopedia 工学【通信新技术】释 cognitive radio，CR认知无线电利用频谱间的空隙，即频谱空洞，进行动态频谱接入与传输，以达到在拥挤频谱空间进行信息传输，提高频谱空间利用率的无线电技术。
随便看	pre-equivalence relation pre-esterification of oil preevacuate preexcited preexist preexitation syndrome pre exponential factor pre-exponential factor preexpose prefabricate prefabricated building system integration prefabricated concrete columns prefabricated concrete composite beams prefabricated concrete stairs prefabricated concrete structure prefabricated construction prefabricated housing/ assemble housing prefabricated installation technology prefabricated lining prefabricated pile prefabricate installation survey prefabrication building preface preface and postscript Preface and Postscript of “Rural Survey”

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。