明确产品规格

точная спецификация изделия

产品介绍说明书

руководство по использованию товара

在快速处理了16000种可能的设计之后，电子计算机挑选出建一个以最低成本生产最多化学产品的工厂的计划，并附有一份详细说明书。

After running through16, 000 possible designs, the electronic computer picked out the plan for the plant that would produce the most chemicals at the lowest cost accompanied by a set of exact specifications.