The roundness error serves the preparation for setting up the analyzing experiment system for theory researchof dynamic measurement precision.
圆度误差值为组建用于动态测量精度理论研究的分析实验系统做准备。
2
Steel plate cutting and welding are widely used in industries. How to increase cutting precision and efficiency has been one of the most popular research fields.
钢板热切割与焊接在工业生产中的应用非常广泛，如何提高切割和焊接精度、效率一直是研究的热点领域之一。
3
The primary supporting techniques, present research and application situation and developing tendency ofprecision farming are briefly introduced in the paper.