| 单词 | Euler's formula |
| 释义 | Euler's formulanoun : 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, and c = a constant depending upon the manner of fixing the ends |
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