The researchers also acknowledged that there are a few areas where race as a construct might still be useful in scientific research: as a political and social, but not biological, variable.

研究人员还承认，在一些领域中，作为一个概念，种族可能在科学研究中仍然有用：作为一个政治和社会变量，而不是生物学变量。

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Useful as workplace apps may be, they also pose challenges for company information technology staffs.

尽管工作场所的应用可能会很有用，它们对公司的IT技术员工也构成了挑战。

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It will also be useful for dynamic selection of services at runtime, as I will discuss in a future paper on service Choreography.

正如我们将在关于服务编排的文章中所讨论的，UDDI在运行时对服务的UDDI动态选择方面很有用的。

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Satellite telephones should also be useful in shipping and aviation, as well as in less-developed countries that lack either modern fixed-wire or wireless telephone infrastructures.

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And, for the more pragmatic, the extent to which animals as non-human as nematodes can really be useful as medical models of humanity will also be established.

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"It has been developed for use in paediatrics but it could also be useful in lots of other contexts, such as the management of chronic ulcers in the home, " she added.

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