This paper investigated the effects of age and knowledge study on classifying of countries via two free classifying experiments.

通过两个自由分类实验探讨年龄和知识学习对国家分类的影响。

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The door to knowledge is study.

通向知识的门径是学习。

《新英汉大辞典》

A serious study of physics is impossible without some knowledge of mathematics.

没有一点数学知识是不能开展严谨的物理学研究的。

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And it's in these years after his graduation from college that Milton embarks upon what is essentially a systematic study of all available knowledge. He commands a mastery of just about the entire canon of Western literary and historical learning.

就是在他毕业后的这些年里,弥尔顿开始着手系统的学习,方方面面的知识，他想要精通,整个西方文学和历史经典。

耶鲁公开课 - 弥尔顿课程节选

The Pontifical Academy for Latin will promote the knowledge and study of the language from classical times to the present day, said the Vatican.

BBC: Pope Benedict launches Latin academy at Vatican

Now, researchers are taking the knowledge from that study to work toward an antibody treatment for swine flu, the 2009 H1N1 virus that has sickened hundreds of people worldwide.

CNN: 1918 flu survivors share memories as research continues

When figures are in electronic form, knowledge workers can study them, annotate them, look at them in any amount of detail or in any view they want and pass them around for collaboration.

CNN: ASIANOW - TIME Asia