但由于原始史料的匮乏，学理解释中的纷争从未停止。
But the dispute about its explanation has never been stopped because there is only few original information left.
社会学办法必须符合以原始史料为原则而不是以当代社会的规则为原则。
Social science methodologies had to be adapted to a discipline governed by the primacy of historical sources rather than the contemporary world.
有鉴于此，本文在深入挖掘原始史料的基础上，对二十世纪三十年代的新启蒙运动作了力所能及的研究，力图在此领域有所突破。
For this reason, in the thesis a study is carried out on the New Enlightenment in the 1930s on the basis of original historical material and attempts to make a breakthrough in this field.
现存关于郑和航海的原始资料虽然不是很完整，但有关的史料还是不少，郑和航海的基本史实是清楚的。
The current primitive materials about Zheng's voyage were not complete, but we are not short of historical materials. The basic facts of Zheng's navigation are clear.
现存关于郑和航海的原始资料虽然不是很完整，但有关的史料还是不少，郑和航海的基本史实是清楚的。
The current primitive materials about Zheng's voyage were not complete, but we are not short of historical materials. The basic facts of Zheng's navigation are clear.
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