Unique quick return and continuous running greatly improved the productivity effect.

独特的快速返回和连续运转使生产效率大大提高。

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This paper describes how to increase the productivity effect of cutter-suction dredgers in the fields of cutting force, dredging pump, gauge pile and exhaust pipe.

本文从绞刀、泥泵、定位桩装置及排泥管等四个方面，论述了提高绞吸式挖泥船生产效率的途径。

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This paper summarizes these researches from methodology, empirical evidence and the suitability of productivity effect of outsourcing in China, and gives some brief comments.

文章从研究方法、经验证据和外包的生产率效应在中国的适应性三个方面对这一领域的实证研究文献进行了系统梳理，并做简要评论。

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The clearest example of the productivity effect of these technologies is the explosion of massive open online courses, or MOOCs.

FORBES: The Real Winners of the Coming Revolution in Higher Education

But the group size didn't seem to have a significant effect on productivity, Google found.

WSJ: Companies Try to Make the First Day for New Hires More Fun

Mechanical looms, steam- powered locomotives, gasoline engines, electric motors ? none had an instant effect on productivity.

FORBES: Magazine Article