The world is confronting population growth, while supply and production is constrained by climate change, water scarcity and lack of technology, especially among smallholder farmers.

世界正面临着人口增长，同时供给和生产又被气候变化、供水保障和技术缺乏等因素限制着，特别是对于小农来说。

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FDI in service sector was mainly focused on distribution service, real estate, transport services, computer application services, and the production and supply of electricity, gas and water.

服务业吸收外资主要集中在分销服务业、房地产业、运输服务业、计算机应用服务业以及电力煤气水的生产和供应业。

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The working principle and circuit design of the spot executive unit in computer telecontrol system for the production management of city water supply are described.

论述了城市供水生产调度微机远动系统中现场执行端的工作原理和电路设计。

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