The next point Reeves makes is about the cost of manufacturing, which generally isn't considered part of the engineering effort but is part of the overall cost estimate for a engineered artifact.

Reeves接下来的观点是关于制造成本的，制造成本通常不算工程的一部分，但是是工件的总体成本估计的一部分。

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In this paper, the cost estimate system of constructional engineering has been studied based on the theory of Fuzzy Mathematics and Grey system, and a practical computer software has been worked out.

本文利用模糊数学和灰色系统理论，对建筑工程造价估测系统进行了研究，并在此基础上，研制成实用软件。

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In view of over estimate budget in engineering cost, the author thinks that design is the key, and quota design is the best way of control engineering cost.

针对工程造价超概算问题，本人认为设计是关键，通过限额设计可以控制工程造价。

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