Take a look at instance-level operations first.

首先，我们看一下实例级操作。

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Security considerations when issuing instance-level commands.

发出实例级命令时的安全性考虑。

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Using an authorized user, attempt to perform instance-level operations.

使用授权的用户，尝试执行实例级操作。

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The results can be as unsurprising as confirmation of a long-suspected, low-level version of an easily treatable condition--anemia, for instance--to a high level of alpha-fetoprotein, which has been linked to some liver disorders.

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Many factors determine success (or failure) in professional sports--injuries, for instance--regardless of talent level.

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For instance, it suggests adding five new top-level domains, and wants competition between registrars regulated by a private, non-profit corporation.

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