Objective: to compare the value of reverse gantry Angle ct scan technique to which of cr technique in examining vertebra arc crack.
目的:比较反角度CT扫描技术与CR技术对椎弓崩裂的检查诊断价值。
2
It is usually safer to scan a string forward rather than in reverse.
通常向前扫描字符串比反向扫描更安全。
3
Reverse Engineering can be used to reconstruction the prosthesis. The 3d surface information of the prosthesis can be collected by the laser scan system and there is no blind area.