The fault was discovered during a routine check.

这个错误是在一次常规检查中发现的。

《牛津词典》

Secondly, you should also check how many actual vulnerabilities the web vulnerability scanner discovered.

其次，你应该检查web漏洞扫描器发现了多少实际存在的漏洞。

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When bugs are discovered in an older version of a shipped product, you can easily check out that specific version to confirm, fix, and generate a patch for the bug.

在已经发布的产品的较老版本中发现bug时，您可以轻松检出特定版本，以确认、修订，并生成该bug的修补程序。

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