None of us had the knowledge with which to test its practical usefulness, but in our capacity for believing and hoping we were inferior to none.
我们都没有足够的知识来测试这架织布机的实际用途，但是我们对此的信任和期望，决不逊于任何人。
Intermediate term prediction would fall into a time span of a few weeks to a few years, and again it would not be of great practical usefulness.
中期预测的时间跨度可从数周到数年，但这也没有很大的实际作用。
This is not only to human evolution and human characteristics of theoretical research has important significance, but also for forensic and other medical departments have practical usefulness.
这不仅对人类进化和人体特征的理论研究有著重要的意义﹐而且对法医等医学部门都有实际的用处。
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