Each level of decomposition forces design decisions, providing ongoing synthesis, coupling of requirements and design specifications, and increasing system detail.

每个分解级别都强制进行设计决策，提供正在进行的合成，连接需求和设计规格说明，并增加系统详细内容。

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All field welds and connections shall be clearly marked on the drawings. Design criteria, calculations and detail specifications shall also be submitted with the drawings.

全部的现场焊接和组装应在图纸中清楚的标出。设计标准，计算结果以及详细说明应与图纸一并呈递。

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They show design constraints, but they are not design specifications in every detail.

它们描述了设计约束，但是它们不是面面俱到的设计规约。

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