方法将两根非吸收缝线平行固定于刻度直尺框架上，制成实验模型。
Methods The experimental model, in which two pieces of non-absorbable suture were fixed parallelly on shelves of graduated rule, was made.
本文介绍利用莫阿条纹位移放大器原理检验直尺刻度实验。
In this paper, an experiment of test scale of straightedge is introduced by theprinciple of the Moire fringe shift amplifier.
两个卡边上都有刻度并垂直于直尺。
Both the clamping edges are provided with scales and are perpendicular to the ruler.
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