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单词 euler's formula
释义 euler's formula
noun
Usage: usually capitalized E
: a general engineering formula relating to the strength of a long strut and obtained by mathematical analysis assuming the strut to be initially very slightly bent and neglecting the (dy/dx)² term in the curvature equation: P = cπ²EI / l², where P = axial load, E = Young's modulus, I = moment of inertia of transverse section of strut, l = length of strut, c = a constant depending upon the manner of fixing the ends
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更新时间:2024/9/20 19:56:11