The mechanism on direct current arc discharge has been reviewed in this paper.

本文评述了直流电弧放电机理。

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Electric and mechanism parameters are the main factors influencing the direct current arc breaking performance of small relays.

电气参数和机械参数是影响小型继电器直流电弧开断性能的主要因素。

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The arc script accepts a single file or directory name as a parameter and creates a compressed archive file with the current date embedded into the resulting archive file's name.

arc脚本接受单个文件或目录名作为参数，创建压缩的归档文件，并将当前日期嵌入到生成的归档文件名中。

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Now, nearly 50 years later, the company has announced that the series' current story arc, "Three" -- the next-to-last issue of which hits stores Wednesday -- will result in the demise of one member of the iconic superhero team.

CNN: 2011 is bringing a death to the 'Fantastic Four' family