该系统从设计开发、调试安装到投入运行，先后经历了一年零六个月。
The supervision system had experienced one and a half year from devising, debugging to operation.
前言： 从设计开发原则、内容和形式等方面思考，设计“城市中水回用”科普活动资源包。
The science popularization resource package of neutral water recycle in city was primarily designed by taking consideration of the designing principle, content and format.
从最初的设计到开发阶段，它们可以延伸到你应用程序的每一个方面。
This extends into every aspect of your application, from initial design right down to the deployment layer.
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