So , it arouse reflection from penman about the relation between them.

引发了笔者对于二者关系的反思.

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The penman acquired two results from the trail research.

试用研究获得的结果主要有两个方面.

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Penman suggested a collective theme of hardware and software when developing EDM control system under DOS.

笔者在DOS下开发电火花数控系统提出了一套硬件和软件的总体方案.

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