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美国华盛顿大学的科研人员开发出连接智能手机使用的超声波诊断装置。用这种小型手持新装置,可方便地看到颈动脉、肝脏、膀
Researchers at the University of Washington in the United States have developed ultrasound diagnostic devices for use with smartphones. With this small hand-held new device, you can easily see the carotid artery, liver, bladder