If you use third-party mapping tools to do the mapping, then your application is tied to that tool, creating a tight coupling between the domain layer and database layer.
On the basis of analysis on error model of ultra precision CNC machine tool, the variant gain cross coupling control algorithm is introduced into the servo control of ultra precision CNC machine tool.
文章在分析超精密数控机床误差模型的基础上，将变增益交叉耦合控制算法引入超精密数控机床的伺服控制。
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There by DE coupling issue is an important one to have better performance by the virtual axle machine tool.