The main implications of scientized library science is the scientization of methodology, theory and issue.

科学化图书馆学的主要内涵是方法科学化、理论科学化和问题科学化。

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But despite the passage of time and the accumulation of supporting data, teaching evolutionary theory in the classroom is still a hot-button issue in some U.S. schools.

纵使时间推移，数据累积，在美国的一些学校，进化论能否进入课堂仍是一个热点问题。

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The answer to the issue is of value in theory and practice.

对于此问题的回答具有特定的理论和实践意义。

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When it comes to welfare reform, questions of religious faith, political theory, economics and behavioural psychology all converge on the same basic issue.

BBC: God, poverty and the government