Graphviz, and its associated directed and undirected filters along with the text-processing power of Perl are a great combination for visualization creation.

Graphviz及其处理定向和无向图的过滤器，以及Perl强大的文本处理能力是实现可视化的最佳组合。

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This text is chiefly directed against the selection of variable frequency motor and inverter in the lathe numerical control rebuilding, and the lectotype of converter is analyzed.

本文主要针对车床数控化改造中变频电动机的选择、频器的选型进行分析。

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There are lots of regiment to the treatment of P. vivax, this text will summarize the study progress which is directed at the relapse and primaquine to radical treatment of vivax malaria.

国内外对间日疟的治疗有很多方案，本文针对间日疟的复发及伯喹治疗间日疟的研究进展作一综述。

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