介绍了以AT 89s52单片机为核心的金相切割机控制系统原理和软硬件设计方法。
In this paper, we introduce the principle of metallographical cutter control system and the design method of software and hardware based on the AT89S52 singal-chip microcomputer.
相切是由曲面边界的最初两个控制点控制的（假设这些点在一条线上）。
Tangency is controlled by the first two control points from a surface boundary, assuming that these points lie in one line.
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