1848 also served as a catalyst for the unifications of Italy and Germany.

1848年也促进了意大利和德国的统一。

The cultural exchange and the cultural progress are the dialectical unifications, promotes mutually.

文化交流与文化进步是辩证统一、相互促进的。

The characteristics of banquet designing subject lies in its unifications of theory and practice, inheritance and creativeness and, moreover, standardization and flexibility.

宴会设计学科内容具有理论性和实践性、继承性与创造性、规范性与灵活性相统一的特点。