The initial design development stage wherein, at first, it is certain that errors will be discovered which will require design changes.

初始设计开发阶段，首先必须发现可能存在的错误，并作相应的设计修改。

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Adopt modern tools for every stage of the development life cycle from requirements to design to development and testing.

对于从需求到设计以至开发和测试的每个开发生命周期阶段采用最新的工具。

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In the initial project design stage and during the pilot implementation stage, we faced several challenges related to making the move to topic-based, information-typed content development.

在最初的项目设计阶段和试验性实现阶段中，我们遇到了与转向基于主题的、信息类型化内容开发有关的一些挑战。

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"We developed these carbon zero homes from the design and development stage through to people living in them, " said Professor Mark Gillott, of the University's School of Architecture and Built Environment.

BBC: Green's Spring conference targets the banks and Labour