What were the main forces behind its evolvement?

在它演进的背后，主要力量是什么？

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In rich countries four main forces are driving the revival of industrial policy.

在发达国家，四大主要力量正推动着产业政策的复兴。

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Rural cadres are among the main forces in carrying out the urbanization of the countryside.

乡镇干部是推进农村城市化的主要力量之一。

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By eighteen-sixty-two, the trail was the main supply line for Union forces in the Southwest.

VOA: special.2009.03.30

The seaport is one of three main sites in Mogadishu protected by the AMISOM forces.

VOA: standard.2009.09.26

For much of the 20th century, science and democracy have been the main forces shaping the university.

ECONOMIST: The knowledge factory

This allows the organization to better focus on the main forces that are shaping the environment around it.

FORBES: Libraries Are Showing the Way for Everyone

The Kurds and the UIA dominated the interim government in 2005, and were the main forces in writing the constitution.

ECONOMIST: Iraq's Shias stick with the devil they know | The