Based on the study of machine mechanism of PMD EDM, its rough machine efficiency and rough machine surface roughness are experimentally researched.

在对混粉电火花加工机理进行系统研究的基础上，对混粉电火花粗加工中的加工效率和加工表面粗糙度进行了实验研究。

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Relevance feedback algorithm based on support vector machine and rough set for image retrieval is approached.

研究基于支持向量机和粗糙集的相关反馈图像检索算法。

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As an effect tool of pattern recognition and data processing, rough set theory (RST) and support vector machine (SVM) have become the focus of research in machine learning.

粗糙集理论(rst)与支持向量机(SVM)作为模式识别，数据处理的有效工具，已成为机器学习的研究热点。

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The PlayStation was technologically impressive, with its ability to splash over 300, 000 polygons on a television screen in a single second. (Nearly all videogame graphics are composed of polygons so "polygons per second" is a rough and ready measure of a machine's power.) Perhaps more important, Sony carefully forged and nurtured good relationships with third-party software developers, ensuring a steady supply of great games for its system.

FORBES: Pixelated dreams

The technique allows the machine to be made of soft materials so it can squeeze through tight spaces and mould its shape to rough terrain.

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