求翻译：随着数控技术的发展和数控机床系统引进，多数模具制造已经实现了程序的自动化,但模具型腔表面的精加工还需要由技术熟练的工人进行手工加工，而磁力研磨精加工方法是一种能够实现表面精加工自动化的可行方法。因此，大力发展磁力研磨自动化研究及开发面向模具型腔表面抛光的磁力研磨装置具有十分重要的意义。是什么意思？

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With CNC technology development and CNC machine tools, and most systems to introduce mold manufacturing process has been achieved by the automation, but the mold cavity surface finishing is also need to be done by the skilled workers to manually processing, and magnetic ground processing method is a

Along with the numerical control technology development and the numerical control engine bed system introduction, the most mold manufacture has already realized the procedure automation, but the mold die space surface precision work also needs to carry on the manual processing by the technical skill

With the development of numerical control technology and CNC system introduced, most of the mold manufacturing has realized the automation of procedures, but the mold cavity surface finishing by skilled workers needed for manual processing, method of magnetic abrasive finishing machining is a viable

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