The proposed order is based on an architectural discovery process founded on the six principles of systems engineering touched on above.

所提议的顺序是基于建立在上面谈论的系统工程的六个原则之上的架构的发现过程的。

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Engineering is based principally on physics, chemistry, and mathematics and their extensions into materials science, soild and fluid mechanics, thermodynamics, and systems analysis.

物理学、化学、数学，以及这些学科扩展出的物质科学、固体物理、流体力学、热力学和系统分析等等学科是工程学的重要基础。

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The paper provides a detailed study of switching conditions of minimum-time control systems based on application in engineering.

本文从工程应用实际出发，研究了时间最优控制系统的切换条件问题。

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"No real investments are going on, " said Brad Michelson, a vice president at Infinity Systems Engineering, a Colorado Springs-based government contractor in engineering, intelligence and information technology.

NPR: US Economy Hamstrung By Washington's Brinksmanship