... high-vacuum switching tube 高真空开关管 high-velocity scanning 高速扫描 high-voltage electron microscopy 高电压电子显微术 ...
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high velocity scanning 高速电子扫描
scanning high-velocity 高速扫描
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Methods Liver scanning was performed with a high frequency transducer to measure the velocity acceleration time and resistant index of portal vein and hepatic artery after finishing the anastomosis.
方法选用高频手术专用探头，于手术中门静脉、肝动脉吻合完成后立即测量肝动脉及门静脉血流速度，并计算快速充盈时间及阻力指数。
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