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。
Modified direction of POM are high modulus, creep resistant, lubrication and processing high precision products.
聚甲醛的改性方向是提高它的刚性、耐蠕变性、润滑性，成型高精度制品。
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