As comparing with adopting traditional optical lever method to measure Young 's modulus of elasticity E. Using optical sensor is much better in both operation and data precision.
对杨氏弹性模量E用反射式位移传感器与传统的光杠杆法测量进行比较，得出无论从操作方面还是数据的精确度方面都说明了光纤传感器法大大优于光杠杆法。
Accoding to the concept, datum contained careless error are rejected, data management is simplified and measure of precision of measurement result is raised.
利用这一概念，可剔除含粗大误差的数据，从而简化数据处理，提高测量结果的精确度。
This way add auto measure part, it solves handwork deal with numerous data and the work load is great, enhance measure reliable and precision. It provides the value of popularize and application.
该法增加了自动检测的部分，解决了手工处理数据的繁琐和工作量大，易出错的问题，提高了测量的准确度和精度，有一定的推广和应用价值。
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