Extension and restriction are both valid methods for a substitution; however, union is not a valid derivation technique according to the XML Schema specification (see Resources).

扩展和限制是替换的两个有效方法。但是，根据XML模式规范，联合并不是有效的派生技术(参阅参考资料)。

youdao

"The Freelancers Union provides a sense of stability knowing that there is a place to go to get help, contacts, ideas, and other resources," says Nelson.

尼尔森说道“联盟提供了某种意义上来说稳定的方式，让你知道在哪里可以获得帮助，联系，主意和其他资源。”

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Finally, Nixon said I should not spread directed aid dollars all over the former Soviet Union, but concentrate our resources beyond Russia on Ukraine: It is indispensable.

最后，尼克松写道，我不应该把有针对性的援助分散到整个前苏联国家，而应该将我们的资源集中在俄罗斯及乌克兰：这是绝对必要的。

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We also need to restore confidence in the solidarity of the European Union to provide - especially the Eurozone - to provide the resources along with the IMF.

VOA: standard.2010.04.28

Today Sinclair is a partner in more than 20 oil wells that Union Pacific Resources, the exploration unit of Union Pacific Corp.

FORBES: Remembering Robert Earl Holding, Billionaire Owner Of Sun Valley Ski Resort

He criticises his predecessor, Ron Carey, for squandering the union's resources.

ECONOMIST: The unions

Canada , 53, retired in April as vice president of human resources for Union Acceptance Corp.

FORBES: Self-Employment