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.
方法本组89例，应用高频率的彩色多谱勒超声检查肿大淋巴结的形态及内部回声、纵横比（L/T）、彩色多谱勒血流显像（CD FI）及阻力指数（RI）的频谱特征。
Methods The manifestation, internal echo, the L/T ratio, CDFI and RI frequency spectrum feature of the superficial lymph nodes were studied with high frequency and color Doppler ultrasound 89 cases.
在实际调查采访中采用抽样采访法、行为观察法、问卷调查法三种方法结合使用，了解高频率使用人群在场地中的活动情况。
The investigation use sample interview, behavior observation and Questionnaire, find out the behavior situation of the users with high frequency in green area.
在磁悬浮列车中，悬浮控制系统要求间隙传感器的动态特性，但无法用机械方法测试较高频率时的动态特性。
The dynamic characteristics of the gap sensor necessary for suspensive control system in maglev vehicle, are difficult to measure at high frequency by mechanical methods.
结论：长期高频率起搏刺激家兔左心房是建立慢性房颤模型的有效方法。
CONCLUSION: Long-term rapid left atria stimulating is an effective method in the establishment of a chronic atrial fibrillation model in rabbits.
结论：长期高频率起搏刺激家兔左心房是建立慢性房颤模型的有效方法。
CONCLUSION: Long-term rapid left atria stimulating is an effective method in the establishment of a chronic atrial fibrillation model in rabbits.
应用推荐