“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	liquid hydrogen transport liquid immersion liquid immiscibility liquid-in-glass thermometer liquid injection cooling liquid insulating material liquidity liquidity index liquidity of banks liquidity regulatory standards liquidity risk liquidity trap liquid junction potential liquid junction solar cells liquid-junction solar cells liquid laser liquid layer liquid lens liquid level liquid level detection liquid level measurement liquid level meter liquid level regulatory systems liquid level tank measuring device liquid level, temperature, density（LTD） measuring device

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。