After studying cases of retroperitoneal mass by using real-time B-mode ultrasound scanner, the authors suggested 10 valuable image signs for the diagnosis of the disease.
根据实时B型超声对不同类型腹膜后肿块图像分析，发现诊断腹膜后肿块的10种有价值的声像。
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The patented real-time radio frequency scanner uses computer tomography and works by using the same technology as a mobile phone, but with only a tiny fraction of its power.
Presently, most recognition systems of ID Card numbers are based on scanner, but this systems cannot meet the demand of long and realtime catching image.