Each developer worked primarily from the baseline design specification.

每一个开发人员最初从基线设计说明开发工作。

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The main goal of the Elaboration phase is to baseline the architecture of the system to provide a stable basis for the bulk of the design and implementation effort in the Construction phase.

精化阶段的主要目标是对系统架构进行基线化，为在构建阶段中的大量设计和实现工作提供一个稳定的基础。

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Elaboration: the goal of the Elaboration phase is to baseline the architecture of the system to provide a stable basis for the bulk of the design and implementation effort in the Construction phase.

细化：细化阶段的目标是为系统体系架构设定基础，用来为构建阶段的大多数设计和实现工作提供稳定的基础。

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Europe is keen to have a go at touching down on Mars and the current baseline design for the orbiter mission calls for a 600kg entry, descent and landing module.

BBC: Esa-Nasa Mars missions' race against clock