Radar identified, after "Rumet" direct to CH and radar vectoring approach for IGS(InstrumentGuidanceSystem) R/W13.
已识别，过R点后直飞CH。雷达引导用仪表引导系统进近， 跑道13号。
2
A research platform of ultrasonic guidancesystem for the blind based on the virtual instrument technology was built.
本文构造了一种基于虚拟仪器技术的超声波导盲系统研究平台。
3
An intelligent instrument based on infrared guidance head system consists of optical, mechanical, electronic and computer technologies for measuring infrared imaging facula.