1·There are doubts about the usefulness of these tests.
这些试验是否有用，人们有所保留。
—— 《牛津词典》
2·It is of the greatest usefulness.
它是极有用的。
—— 《新英汉大辞典》
3·But given the growing evidence of its usefulness and the new business models from emerging markets, there is reason for hope too.
但是考虑到，证明其有用的证据和新兴市场出现的各种商业模式越来越多，我们也有理由相信它。
4·As with any private industry in receipt of almost unlimited cheap public funds, finance now has every incentive to be as big as possible-beyond the point of usefulness.
正如私有行业正受到无限制、廉价的共同资金一样，金融业受到的每一个刺激都是让他变得更大- - -远非有用那么简单。
5·Despite its usefulness in retracing failed predictions by Camping and other prognosticators of end times, the doomsday algorithm has nothing to do with the apocalypse.
尽管这个算法在追溯康平和其他预言的错误推测日期上有用的，但是末日算法对未来的启示却是毫无帮助。
1·Whereas local collaborations sometimes persist past the point of usefulness, because of social or academic obligations, international ones can be cultivated and dropped more freely.
尽管由于社会或学术义务，地方合作有时会超出其有效性，但国际合作可以得到发展和放宽。
2·These mistakes sap XML of its power and usefulness.
这些错误损害了 XML 的能力和有效性。
3·Sometimes case studies and experience reports are produced, but do not consistently assess the usefulness of key techniques.
有时候，生成了案例研究和经验报告，但不一贯地评估关键技术的有效性。
4·Computers must be able to parse the public domain status of works to communicate its usefulness to the public.
这样的话，计算机就能够识别出公有领域作品，并向公众传达它们的有效性。
5·An understanding of what autonomic computing is about is key to understanding the usefulness of new and existing features.
理解自主计算是理解这些新特性和已有特性有效性的关键。
1·An experimental version of the traditional scholarly methods course was designed to raise students' consciousness about the usefulness of traditional learning for any modern critic or theorist.
传统学术方法课程的实验版本旨在提高学生对传统学习对任何现代批评家或理论家有用性的意识。
2·Some of the steps involve minimal, yet necessary, manual adjustments to ensure the value and usefulness of the knowledge base.
其中一些步骤涉及非常少(但十分必要)的手动调整，以确保知识库的价值和有用性。
3·If, by contrast, everything was in a pile on the main floor, it would significantly reduce the usefulness of the library by making the search for materials virtually impossible.
如果采用相反的方式，将所有的东西都堆在一个大房间里，由于几乎不能进行资料搜索，因此会大幅度降低图书馆的有用性。
4·Many consumer development groups often focus exclusively on a service's interfaces, but also need to consider manual support functions, which can also enhance a service's usefulness.
很多使用者开发团队经常只将精力放在服务的接口上，事实上还需要考虑手动支持功能，这也能增强服务的有用性。
5·In an iterative approach, quality managers focus on the usefulness of products and processes, supporting the effectiveness of the team as a whole.
在迭代的方法中，质量管理人员集中于产品和过程的有用性，从整体上支持团队的效率。