Playing an important role in PACS, ultrasound subsystem together with CT and X-radiography subsystems works as the image Provider and image processing center.

超声子系统是PACS的重要组成部分，它与CT、X线等子系统一起成为PACS中的图像来源和图像处理中心。

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CT, the Hurricane Center said.

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"Probably the group of centers which were studied in this paper are more sophisticated and more aware of radiation-reduction methods than your typical center that is performing cardiac CT angiography, " he says.

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