The second group of options (Check to Perform) requires some more explanation.

第二组选项(Check to Perform)需要更多的说明。

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It does not perform an exhaustive check to see if the ID really exists.

它不执行彻底的检查以验证这个标识是否真的存在。

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Additionally, you can use the editor to perform a syntax check on the commands.

另外，可以使用编辑器对命令执行语法检查。

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Thanks to its simplicity, gOS Cloud boots in mere seconds, allowing people to check their e-mail and perform other simple web tasks without having to boot a full operating system.

ECONOMIST: Tech.view: On the web at warp speed | The

Another test in the fall will enable the bureau to perform a security check on the system and ensure that it can interface with the processing system and can handle the capacity.

CNN: Census Bureau will allow millions of citizens to file census forms online

Not that a little self-criticism is all bad: It can be a reality check and may fire us up to perform better (which can make us more successful) or strive to be better people (which makes us happier).

CNN: Your guide to positive thinking