In order to fundamentally improve the drought resistance, large scale and medium-sized irrigation system, pumping stations and small irrigation and water conservancy facilities must be scaled.3.

大兴农田水利，全面加强大中型灌区、泵站和小型农田水利设施建设，从根本上提高抗旱能力。

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The article provides a medium and small power photovoltaic control system based on MCU.

本文构建一种基于微处理器的中、小功率光伏控制系统。

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The LA Series can be used as the basis for a complete small to medium touring system and provide front of house sound and monitoring as well as a permanent install sound system.

洛杉矶系列可以用来作为一个完整的中小型旅游制度的基础，并提供良好的房子前面，监测以及永久性安装的音响系统。

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In Q3 2012, Sina targeted small and medium-sized enterprises by incorporating this advertising system in a news feed.

FORBES: Key Drivers And Risks To Sina's $68 Valuation

Overall, according to the European Commission, the lack of a unified patent system is one reason why Europe's small and medium-sized technology firms fail to grow as quickly as those in America, Asia and elsewhere.

ECONOMIST: Europe's unwieldy patent regime

We have agreed to address a set of next-generation trade issues, including removing frictions in the global supply chains, helping small and medium-size enterprises grow and better plug into the global trading system, and adopting smart, market-oriented innovation policies.

WHITEHOUSE: President Obama Welcomes Leaders at APEC Summit