message sample meaning in Chinese

消息抽样
信息取样
信息样本

Abstract : it is expounded the composition and detection method of the diagnostic system of dynamic failure for locomotive running gear . also discussed are the key technologies as ultrasonic resonance demodulation , identification of locomotive type & speed , message sampling of sensors tracing running mechanism and three dimensional diagnosis , as well as the feasibility test
文摘:阐述了机车走行部动态故障诊断系统的组成及检测方法，介绍了超声共振解调、车型车速识别、多个传感器跟踪运动机械的信息采样、三维诊断等关键技术及其可行性试验情况。