速调管一种用速度调节的方法放大或产生超高频率的电子管。
An electron tube used to amplify or generate ultrahigh frequency by means of velocity modulation.
方法分析15例经手术和病理证实为甲状舌管囊肿的高频率彩超表现。
Methods 15 cases with thyroglossal duct cyst proved by operation and pathology were analysed with high frequency color Doppler ultrasound.
方法分析15例经手术和病理证实为体表淋巴管瘤的高频率彩超表现。
Methods Superficial lymphangioma proved by operation and pathology in 15 cases were analysed with high frequency color Doppler ultrasound.
应用推荐