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

钢材的大量应用是土木工程的第二次飞跃。

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The second leap was enabled by paper which popularized letters and enhanced the ability of literal communication;

纸的产生推动了文字的普及、提高了文字传播的能力，实现了个人表达传播的第二次飞跃；

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Through a survey this paper holds that the large household pattern of agricultural operation is the ideal path for the Second Leap in the Chinese agriculture.

通过调查研究认为，农业大户经营方式是推进农业第二个飞跃的理想路径。

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One possible solution, if the leap second is abolished, could be to tie in any changes with daylight saving changes - even though this would take place in a few centuries' time.

BBC: Changes to the world's time scale debated

We figured the country had the potential to leap from fifth to second place behind Saudi Arabia among the globes oil exporters (June 2, 1997).

FORBES: Follow through

I'll rarely start with a cheap sparkling wine, as it seems like too great a leap to the second, inevitably much better, bottle.

WSJ: Second Thoughts: How to Follow Your First Bottle | On Wine by Lettie Teague