laser NDT激光无损检测lasern.激光；镭射Laser guide measurement激光导向测量laser heterodyne system激光差拍系统laser- induced plasma激光等离子体laser driven shock wave激光驱动冲击波laser doppler flowmetry激光多普勒血流仪Laser induced diffusion激光诱导扩散laser warning equipment激光告警设备laser synchronal source激光同步辐射光源Laser Direct Imaging LD雷射直接成像laser Doppler velometer激光多普勒测速仪