即使是一个瘦形梁龙，曾经被认为在活着的时候重达5.5吨，现在也减重了1.5吨。
Even a slender diplodocus, once believed to have tipped the scales at five and a half tonnes when alive, has lost a tonne and a half from its weight.
利用一种新的方法来研究具随机刚度梁结构的重特征值问题。
A new random finite element method for solving repeated eigenvalues problems involving beams' structures with stochastic stiffness was proposed.
研究并分析了体外预应力混凝土连续梁弯矩重分布的规律及其影响因素。
The redistribution of moment of model beams and its effect factors are studied and analyzed.
应用推荐