发生层级17、18，或19的错误时，您可以继续工作，但可能无法执行特定的陈述式。
When a level 17, 18, or 19 error occurs, you can continue working, although you may not be able to execute a particular statement.
当发生严重级别为17、18或19的错误时，虽然可能无法执行特定语句，但仍可以继续工作。
When a level 17, 18, or 19 error occurs, you can continue working, although you might not be able to execute a particular statement.
它通常使用关键字进行访问，因为缓存中并非所有的数据都能够使用，使用缓存进行查询可能无法执行。
Sparse caches are normally accessed using keys since not all of the data is available in the cache and thus queries cannot be done using the cache.
最后，人们可能知道存在问题，愿意去解决它，也理解了正设法解决的问题，但在组织中却无法执行。
Finally, people might know there's a problem, are willing to solve it, understand the problem they're trying to solve, but are unable to act within their organizations.
例如，在一个组织中太早使用尚不能利用的高级最佳实践可能会导致挫折和无法执行。
For example using advanced best practices too early in an organization not yet able to exploit them may lead to frustration and inability to execute.
实际上，大部分免责声明都在争取利用单方契约义务，最终可能导致条款无法执行。
Many disclaimers are, in effect, seeking to impose a contractual obligation unilaterally, and thus are probably unenforceable.
很明显，dtd2sql无法执行数据库分析师所执行的所有背景研究：它有的只是DTD（也可能是XML文档）。
Obviously enough, dtd2sql cannot do all the background research that a database analyst does: All it has is a DTD (or maybe an XML document).
市场情况可能使该等指示无法执行。
Market conditions may make it impossible to execute such orders.
又将相关机会规划引入运输问题中，从而避免了一般解法所给出的最优解可能在实际中无法执行的问题。
Then DCP is applied to transportation problem, in order to avoid that that the solution given by common methods can't be used in reality.
又将相关机会规划引入运输问题中，从而避免了一般解法所给出的最优解可能在实际中无法执行的问题。
Then DCP is applied to transportation problem, in order to avoid that that the solution given by common methods can't be used in reality.
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