Starting with Lagrange equations of the first kind, pure differential equations of multibody systems with rheonomic constraints are established.
根据变换与约
显含时间的
价
,提出了定常约
与定常系统判据的
同表述。
Starting with Lagrange equations of the first kind, pure differential equations of multibody systems with rheonomic constraints are established.
根据变换与约
显含时间的
价
,提出了定常约
与定常系统判据的
同表述。
Axisymmetric elasticity problem of cubic quasicrystal is reduced to a solution of a partial differential equation with higher-order by introducing displacement function.
本文通过引入位移函数使得立准晶的轴对称
题化为求解一高阶偏微分
。
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题,欢迎向我们指正。