You can take a cue from GCC: maintain many sets of environment variables per application and switch from one pool to another depending on the work at-hand.

您可以从 GCC 得到提示：为每个应用程序维护多个环境变量集，并根据手头的工作从一个集合切换到另一个集合。

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The second aspect is the application by all members of society of the special methods of thought and action that scientists use in their work.

第二个方面是，所有社会成员都应运用科学家在他们的工作中所用的特殊思维和行动方法。

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Note that we categorically argue against setting up multiple SPNs so that SSO access to the application will work, regardless of the access path.

请注意，我们明确反对设置多个 SPN，以便应用程序的 SSO 访问将正常工作，而不会受到访问路径的影响。

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"We will examine the balance of the EU's existing competences and will, in particular, work to limit the application of the Working Time Directive in the United Kingdom, " the agreement said.

BBC: William Hague launches full 'audit' of EU law and the UK

Developers do not need to worry about another version of each application they code, which reduces the work-load of the initial coding, the burden of ongoing support.

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And a Tory promise to restore national control over social and employment legislation has been replaced by a more nuanced commitment to "examine the balance of the EU's existing competences" and, in particular, to "work to limit" the application of the working time directive.

BBC: Cameron and Clegg set out 'radical' policy programme