So, I mean, this formula is valid as it is.

因此这个公式是有效的。

youdao

Null strings are technically valid as URIs, but disallowed as namespace URIs.

技术上，空字符串作为URI是有效的，但不允许作为名称空间uri。

youdao

However, the sections on exception handling and concurrency mechanisms are still valid as advanced topics.

然而，关于异常处理和并发机制的章节，作为高级主题仍然是有效的。

youdao

U.N.spokesman Gordon Weiss says that cannot be used as a valid excuse.

VOA: standard.2009.04.26

"We are looking to determine whether these options remain valid as conditions change, " he said.

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However, prior art from any country is valid as a method of striking down a patent.

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Which doesn't mean that some of those very fancy games aren't valid as games.

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