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1·I still doubt whether the practical value of this project really exists.

我仍然怀疑这个项目是否有实际价值。

2·That would be of very practical value for a future moon base for astronauts.

这对未来的宇航员月球基地来说将有很高的实用价值。

3·But rock art also has a practical value for researchers and let's start by considering why that is.

但岩石艺术对研究人员来说也有实用价值，让我们先来看看为什么会那样。

4·This paper studied sensitivity, specificity and practical value and significance of ELISA in the detection of antibodies against Fasciolopsis buski in human sera.

研究了姜片吸虫成虫冷浸抗原检测姜片吸虫病患者血清抗体的敏感性和特异性及其在流行病和临床上的应用价值。

5·This design is of great practical value.

该设计有很大的实用价值。

6·In fact, this method has some practical value.

在实际应用中具有较高的实用价值。

7·In fact, PC version bundled out, but no practical value.

事实上，PC版本捆绑在一起，但是没有实际价值。

8·Your invention has proved to be of much practical value.

你的发明已证明很有实用价值。

9·It was of certain theoretical value and practical value.

具有一定的理论意义和实践价值。

10·It has great theoretical significance and practical value.

具有一定的理论意义和实用价值。