动车组制动技术的研究
railcar trainset brake research
能馈式再生制动技术
regenerative braking with energy feedback
全球定位系统多天线技术
global position system(GPS)multi-antenna technology
全球定位技术
global position system
GPS
Global positioning system
全内反射荧光显微技术
total internal refection fluorescence microscopy
全膜双垄沟播技术
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