脉冲光束云高计
pulsed-light ceilometer
pulsed-light cloud-height indicator
磁滞曲线记录器
hysteresis curve recorder
磁滞回线自动记录器
automatic hysteresis loop recorder
磁性墨水字符记录器
magnetic ink character recorder
磁带数据记录器
magnetic tape data recorder
磁带回线自动记录器
automatic hysteresis loop recorder
垂直电流记录器
vertical-current recorder