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DLP多普勒血流标准...
发布时间 2025.04.09
彩超医生指着屏幕上的血流图跟你说"血管有点堵"，你心里是不是犯嘀咕：这花花绿绿的图像靠谱吗？就像电子秤需要定期校秤砣，彩超设备也得有个"标尺"来验证准确性。这时...
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PVDF聚焦换能器如...
发布时间 2025.04.09
一、这玩意儿凭啥被叫做“声学手术刀”？PVDF聚焦换能器说白了就是个“声波放大器”，能把超声波能量精准聚焦到头发丝粗细的区域。举个栗子，做肿瘤消...
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口腔X射线设备校准遇...
发布时间 2025.03.31
（导语）2023年北京某私立诊所因设备校准误差被处罚12万元，负责人张医生捏着罚单的手在颤抖。此时工程师老李掏出巴掌大的金属体模："用这个做设备验证，误差能控制在0.1毫米内。"这...
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DLP多普勒血流标准...

PVDF聚焦换能器如...

口腔X射线设备校准遇...