1) radiofrequency volumetric tissue reduction
射频组织减容
1.
Treatment of obstructive sleep apnea-hypopnea syndrome with radiofrequency volumetric tissue reduction collaborating upper-airway procedure
射频组织减容辅助上气道手术治疗阻塞性睡眠呼吸暂停低通气综合征的研究
2) radiofrequency liver ablation
射频毁损肝组织
1.
AIM To propose an optimal technique for radiofrequency liver ablation (RFA) to create larger lesions and study the morphological and histologic characteristics of radiofrequency liver ablations.
目的探讨植入式射频毁损活体肝组织的优化工作方式,了解射频毁损肝组织的病理特征。
3) interstitial RF hyperthcrmia
组织间射频热疗
4) RF attenuation
射频衰减
1.
Improving measurement accuracy of low level signal is studied using RF attenuation,resolution bandwidth,video bandwidth,and video average.
研究了利用频谱仪射频衰减、分辨带宽、视频带宽和视频平均的方法,提高和改善低电平信号的测量精度。
5) content organization
内容组织
1.
Content organization based on literature cell and information cell can not reflect characteristics of content itself directly and precisely,construction of knowledge cell database and links of knowledge cell realize content organization of based on knowledge cell and content relating in knowledge cells,can provide swift,thorough and accurate content infromation for the users.
以文献和以信息为基本单元的内容组织不能直接准确反映内容本身的特质,知识元库的构建以及知识元链接实现了基于知识元的内容组织以及知识元间的内容关联,能够为用户提供快速、全面、准确的内容信息。
2.
The architecture,content organization and teaching method for the course of automatic control principle are discussed.
探讨了《自动控制原理》课程的体系结构、内容组织和教学方法。
补充资料：射频
射频
物理学术语。介于声波和红外线之间的波的频率。用于MR研究的射频常在兆赫兹(MHz)范围内。磁共振成像中，必须使用射频脉冲选择性激励特定层面的质子，以产生MR信号。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条