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

Iskold says that quality over quantity is the much-needed quantum leap in second screen.

FORBES: Second Screen Visionaries: 5 Ways Mobile Is Changing TV-Watching

Victory over San Marino could see Northern Ireland leap into second place in Group Three on goal difference.

BBC: N Ireland match on as rain eases