其原因是农民这个角色在社会历史的演变下，发生了多次的改变。

Its reason is farmer this role under the social history evolution, has had the multiple change.

youdao

人的需要是书体演变的内在原因。

The need of people is the real reason for calligraphical evolution.

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第四部分，从外因和内因两方面解析了美国会堂演变的原因。

Part four examines the reason internal and outside for the evolvement of the synagogue.

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语义演变的原因是什么？

What are the causes of semantic change?

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并在此基础上分析六十多年来台湾民众国家认同演变的原因。

Then analyze the reasons of the national identity evolution and change.

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并在此基础上分析六十多年来台湾民众国家认同演变的原因。

Then analyze the reasons of the national identity evolution and change.

youdao