A government study recommended a national highway system of 33,920 miles, and Congress passed the Federal-Aid Highway Act of 1944, which called for strict, centrally-controlled design criteria.

一项政府研究建议建设一个33,920英里的全国公路系统，国会通过了1944年的《联邦援助公路法案》，该法案要求制定严格的、集中管控的设计标准。

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Because the line is controlled by persons, errors are easily produced in the vertical direction, causing errors of the highway line and width.

由于人工掌握路线，竖直方向容易产生误差，进而引起公路线形和宽度有误差；

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In the construction of the highway project, the highway line is generally controlled by the middle stakes and the width of highway is measured with a steel ruler from the middle stakes to both sides.

公路工程施工中，公路线形一般由中桩控制，公路宽度是用钢尺自中桩向两侧丈量。

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Mendes Junior projects in Iraq included the constructions of the Baghdad-Al Qaim-Akashat railway, the Iraq Expressway Number One (the largest controlled-access highway in the Middle East) and a pumping station on the Euphrates River.

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"NATO aircraft carried out controlled attacks on military vehicles near a highway bridge just east of Djakovica, " NATO said in a statement.

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This is largely because cars are never actually tested out on the road, but rather in a laboratory under strictly controlled conditions that are designed to simulate city and highway.

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