In this paper selection of grinding direction of diamond is studied, and the grinding method of single crystal diamond cutters is introduced.

本文介绍了单晶金刚石刀具研磨方向的选择，同时简单的介绍了单晶金刚石刀具的研磨方法。

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This paper describes the interface method to the dot array liquid crystal display and 8031 single chip microcomputer, the program chart is given.

讨论了点阵式液晶显示器与8031单片机的接口方法，给出了程序流程图。

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Compared with Czochralski method SGG single crystal growth with crucible capsuled vertical Bridgman method can improve crystal production and lower the cost efficiently.

与提拉法相比，采用坩埚密封的下降法生长sgg单晶，可以显著提高晶体产率，降低成本。

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