It was more difficult than accepting an intellectual discipline.

这比接受思想训练还困难.

Their enthusiasm and thirst for discovery were paired with intellectual discipline and timed perfectly to harness rapidly emerging analytical tools in chromatography and mass spectrometry.

他们对发现的热情和渴望，配合着智能学科以及加倍的使用，很快的促进了分析仪器的出现，这其中包括色谱分析法和质谱仪的出现。

Interest in historical methods had arisen less through external challenge to the validity of history as an intellectual discipline and more from internal quarrels among historians themselves.

译文：人们对历史研究方法产生了兴趣，这与其说是因为外部对历史作为一门知识学科的有效性提出了挑战，还不如说是因为历史学家内部发生了争吵。

Interest in historical methods has arisen less through external challenges to the validity of history as an intellectual discipline and more from internal quarrels among historians themselves.

人们之所以关注历史研究方法的原因与其说在于外界对历史学是否是门学科提出质疑，倒不如说在于历史学家内部的相互争论。