求翻译：女性主义思想虽然总体目标明确，但因在核心概念上歧义百出、流派纷呈，故虽历时一百多年，却依然困囿于各种理论和实践的矛盾之中。是什么意思？

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feminist thinking and although the overall direction is clear, but the core concepts, ambiguous 100 out, the genre and variety, and therefore, although lasted for more than 100 years, it is still trapped by the theory and practice of contradictions.

Although the feminine principle thought the general goals are clear about, because but in core concept different meanings full of, school numerous, although therefore the lasted more than 100 years, still are stranded actually constrained by each kind of theory and in the practice contradiction.

Feminism in general purpose, but was riddled with ambiguity at the core concepts, genre, although it took more than 100 years, but still trapped by contradiction between theory and practice.

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