The evolution of system rules is of great significance during the period of transformation.
转型时期，制度规则的演变非常重要。
At present, China is in a critical period of the social transformation.
当前，中国正处于社会转型的关键时期。
At present, China is in the transformation period of new and old systems.
当前，我国处在新旧体制的转型期。
Spring and Autumn period in Chinese history is an important period of social transformation.
春秋时代是中国历史上社会转型的重要时期。
China's social reality is, China is in a period of social transformation.
我国的社会现实是；我国正处在社会转型时期。
China's social reality is, China is in a period of social transformation.
我国的社会现实是；我国正处在社会转型时期。
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