四大公司占据着行业的统治地位，它们控制着地质数据、挖井数目、建筑器械，操纵着基础设施，改进着大型项目需要的技术。

Four big firms dominate the business of managing geological data, digging Wells, building RIGS, handling infrastructure and developing the technology needed for large projects.

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例如，加州一家信息技术公司Accruent帮助大型机构更有效率低利用它们的土地和建筑。

For example, Accruent, a Californian information-technology firm, helps big organisations make more efficient use of their land and buildings.

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网上有人声称这些产品很容易生产并且使用起来很方便，能够提供家庭自动化设备安装服务的建筑公司里大约有60%的公司都有专业的技术顾问【来源：Regan】。

While the networks claim that the products are easy to program and use, about 60 percent of homebuilders who have installed home automation devices hired professional help [source: Regan].

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