CNC (Computer Numerical Control) is a technology originally developed for the aviation industry, enabling the precise construction of digitally generated, complex curved objects.

CNC(电脑数值控制)本是为航空业开发的一项技术，可使数字化生成的复杂曲面物体得以精确施工。

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Combined with the new technology in the construction of highway tunnel, the paper introduced the technical characteristics and quality control of Changyanling tunnel construction.

结合目前公路隧道建设中的新技术、新工艺，系统地介绍了长堰岭隧道的施工技术特点与质量控制经验。

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Improving the automated control and management level of street lamp with advanced technology has become more and more important during the construction of city Road lighting system.

采用先进技术提高路灯自动化控制与管理水平，已经在城市道路照明系统建设当中发挥着越来越重要的作用。

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