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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And of all the artifacts that have aided cognition, the most important is the development of writing, or more properly, of notational systems: number systems, writing, calendars, notational systems for mathematics, engineering, music and dance.

FORBES: Magazine Article

He was admitted and earned a degree in engineering and then a doctorate from Stanford, in a branch of engineering called operations research, which uses mathematics to organize systems with lots of moving parts.

FORBES: Magazine Article