Analysis of ultrasonic backscatter signal in cancellous bone .
松质骨中超声背散射信号的分析。
Backscatter scanners work by shooting a beam of x-rays at a subject .
后向散射扫描仪通过用一束x射线射到物体上来工作。
Officials at the transportation security administration say they have already tried out a handful of backscatter scanners .
美国运输安全管理局的官员称,他们已经测试了一批反向散射扫描仪。
Application of ultrasonic integrated backscatter in detecting the liver of children infected with schistosome .
超声背向散射积分在血吸虫感染儿童肝脏检测中的应用。
Some u.s airports will soon begin using what 's known as " backscatter x-ray technology " to scream screen passengers .
美国的一些机场很快将开始使用一种所谓的“反向散射x射线技术”对乘客进行检查。
Large deflections by these control surfaces in flight would produce large but transient increases in specular backscatter .
在飞行状态下,操纵面的大幅度偏斜将会产生巨大且短暂的反向散射增量。
And in the wake of the attempted bombing of an airplane traveling to detroit from amsterdam on dec. 25 , the united states is turning to backscatter scanners for routine security checks .
Clinical study on the ultrasonic integrated backscatter variance of left ventricular myocardium and it 's relationship to the diastolic function in patients with hypertension .
高血压患者左室心肌背向散射积分变化及其与舒张功能关系的临床研究。
The scanning machines , called " backscatter scanners , " deliver a dose of ionizing radiation equivalent to 1 percent or less of the radiation in a dental x-ray .
这种叫做反向散射扫描仪的仪器,在扫描过程散发的电离辐射量相当于或甚至小于一次牙科x摄片中的1%。
The final question from the voice , the one that got me through the backscatter machine , past the shoe swipe-o-meter and onto the plane , was a stunning surprise : " what color is your house ? "