RambergˈræmbərɡCOCA¹²²⁸⁹⁶ 基本例句 n.拉姆贝格在德国;东经 8º01' 北纬 49º15' By piecewise polynomials and the Ramberg-Osgood three- parameter equation fitting the stress- strain curve, the expressions of the tangent and secant modulus are derived. 分别介绍了用分段多项式和朗培其一奥斯古特三参数方程拟合应力应变曲线并求切线模量和割线模量的方法。 boshuo