Giving a technical speech during an industrial fair in Frankfurt, the North American presenter was asked how he came to make some of the assumptions in his calculations.

一位来自北美的演讲者在法兰克福工业展会上做技术演讲时，被人问到他的数据是基于什么样的前提下得到的。

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Designs systems based on customer requirements including: writing specifications, generating drawings, calculations, completing data sheets, and gathering technical data and literature.

根据客户的需求进行方案设计，包括：规格说明书，总装图，计算书，数据表，总技术参数等。

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This article mainly introduces the working and structure of a new peanut red skin eliminator and the designing calculations and fixing way of ma-jior technical parameters.

本文主要介绍一种新式花生脱红衣机的工作原理、结构及主要技术参数的设计计算与确定方法。

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Instead, Congress should act on "the cold, calculated, scientific, technical calculations of what indeed is possible to make our people safe, " he said.

CNN: House panel tackles homeland security bill