钢材的大量应用是土木工程的第二次飞跃。

The application of a large number of steel products is the second leap in civil engineering.

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其特征，可以概括为第一次飞跃的延伸与第二次飞跃的准备。

This period might be described as the extension of the first leap and preparations for the second.

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通过再实践，人才培养模式的内涵正在不断丰富，将出现第二次飞跃。

Through re-practice and enrichment of connotations of such mode, the second leap is sure to come about.

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