It is a key problem for information service that researching of pull-push technology and obtaining information intelligently.

研究更为完善的推拉技术、更方便和智能的信息获取方式是图书馆信息服务中的重要课题。

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There has been what we call a pull-push effect for a while now but this is going to become more of a steady push until we reach the finishing line.

现在已经出现了一时段的我们所说的拉压效应，但是将有一个更加稳定的压力，直到我们到达终点线。

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Students of human migration speak of "push" and "pull" factors, which influence an individual's decision to move from one place to another.

研究人类迁移的学生们谈到“推”和“拉”因素，这些因素会影响个体是否会从一个地方迁移到另一个地方。

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Fierstein, also represented on Broadway right now with the book for "Newsies, " spins his typical theatrical magic, teasing out from the movie both a love triangle and the pull-push of fathers and sons.

NPR: Review: Sweet 'Kinky Boots' An Ode To Love, Shoes

But for many men, the most difficult part of P90X isn't its heavy emphasis on pull-ups and push-ups, but rather its relentless call for stretching and warming up.

WSJ: Why the San Francisco 49ers Love to Stretch

And that's why the endeavor required a pair of 600-horsepower push-and-pull trucks, along with dozens of workers leading and following to displace and restore countless traffic lights, utility poles and the occasional pesky palm tree to make way for the shiny red caravan.

WSJ: Levitated Mass | Arrival of a Rock Start | By Arnie Cooper