Monitoring online of the cantilevering beam can be realized through accelerating transducer and DSPS system.
用加速度传感器和DSPS系统，实现了对悬臂梁结构的在线监测。
Monitoring contents are verticality and horizontality of support beam, which are monitored by laser plumb instrument and electronic theodolite separately.
监测内容为垂直度和支撑梁水平度，分别采用激光铅直仪和电子经纬仪。
B. External fetal monitoring. The FHR is measured by focusing an ultrasound beam on the fetal heart. The fetal monitor interprets Doppler signals.
外监护。通过集中超声波束于胎儿心脏来描记胎心率，胎儿监护翻译多普勒信号。
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