pen motion measurement

• 笔杆运动检测

pen motion measurement的用法和样例：

例句

1. The effects of water jet parameters and drill motion parameters on the soil reaming were investigated by an indoor test.
   通过实验，研究了射流参数和钻杆运动参数对扩孔效果的影响。
2. This provides bases for the motion speed adjustion and dynamical analysis of the rocker device.
   计算结果为合理调节拔杆运动速度和进一步进行动力分析提供依据。