您要查找的是不是：
- duplex Doppler system 双重功能多普勒系统
- In duplex Doppler ultrasound, malignant tumors display more abundant blood flow within and higher resistance index. 在双功能多普勒超声中，恶性肿瘤内部血流更为丰富，阻力指数（ri）较高。
- Discuss techniques of avoiding spectrum aliasing of the PW Doppler system. 讨论怎样避免PW多谱勒系统的频谱混叠。
- Methods Determined renal hemodynamics in 42 cirrhosis patients by duplex doppler ultrasound and investigated the relationships between the parameters and liver function, mean arterial pressure. 方法应用多普勒超声测定42例肝硬化患者肾脏血液动力学指标,并分析这些指标与肝功能及平均动脉压之间的关系。
- Demonstrating the reliability and accuracy of the Doppler system, the rotation ofan electromotor and the reciprocating motion of an accelerometer calibrator aremeasured first. 测量了电动机转轴转速和加速度计校准仪的往复振动,验证了实验系统的可靠性和准确性。
- ABSTRACT> It is indicated experimentally that the receiving transducer in pulsed Doppler system should possess a broad band to get complete information about blood flow. 本文用实验方法证明,超声脉冲多普勒系统的接收换能器应有宽的频带,才能获得血流信息的全貌。
- The fuze is provided with some Anti-jamming function by means of instantaneous time average zero-over rate representing Doppler signal's frequency of continuous wave radio Doppler system fuze. 用短时平均过零率表征连续波多普勒体制无线电近炸引信多普勒信号频率,使引信具有一定的抗干扰能力。
- Doppler system with double frequency 双频多普勒系统
- Ultra High Frequency Doppler System 特高频多普勒系统
- Coherent on Rescue Doppler System 相干救援多普勒系统
- Evaluation of acute tubular necrosis with Duplex Doppler ultrasound:resistive index and renal 急性肾小管坏死的血流阻力指数和肾皮质厚度值
- Experimental Study on Portal Hemodynamics of Rabbit with Portal Hypertension by Duplex Doppler 双功超声多普勒对肝纤维化家兔门脉血流动力学的实验研究
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- A Differential Laser Doppler System for MEMS Motion Measurements 用于微机电系统运动检测的激光差动多普勒技术
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Keywords Transverse rectus abdominis musculocutaneous flap Perforators of musculocutaneous vessels Color-flow duplex Doppler; 关键词腹直肌肌皮瓣;肌皮血管穿支;彩色超声血管检查仪;
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The drainage system has been aged. 排水系统已经老化了。
