electronic ruler

基本解釋

Also it analysed the cause of the faults of the electronic displaying ruler in sound speed measuring unit.
對于聲速測定儀中電子數(shù)顯尺的常見故障原因進行了分析，并總結(jié)出維修方法。
Methods: The thickness of enamel and dentin at different positions of 23 upper first and 18 lower first molars were measured by electronic ruler.
方法：用電子測量尺測量23顆上頜第一磨牙和18顆下頜第一磨牙牙合面不同部位牙釉質(zhì)、牙本質(zhì)的厚度。
The electronic ruler or grating ruler and display can be additionally added to precisely display the situation of the oil cylinder displacement so as to complete the undergoing work.
另可選增加電子尺或光柵尺及顯示器，精確顯示油缸位移狀況，達到所需工作目的；