No imperial boys had been born since Kiko's husband, Prince Akishino, in 1965, raising the possibility of a succession crisis.
自1965年纪子的丈夫文仁秋筱宫亲王出生后，日本皇室一直未添男丁，因此一时间出现了继承人危机。
Empresses and imperial concubines play a great role in the crisis of succession to the throne in Ming Dynasty.
在明朝屡次发生的皇位继承危机中，后妃发挥了重要的作用。
Foreword : it summarizes the current study situation of the method of imperial succession in the early roman empire and to illustrate the goal and significance.
引言部分：概述了有关皇位继承制度的国内外研究现状，说明了本文的研究目的和意义。
Foreword : it summarizes the current study situation of the method of imperial succession in the early roman empire and to illustrate the goal and significance.
引言部分：概述了有关皇位继承制度的国内外研究现状，说明了本文的研究目的和意义。
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