Axisymmetric elasticity problem of cubic quasicrystal is reduced to a solution of a partial differential equation with higher-order by introducing displacement function.

本文通过移函数使得立准晶的轴对称弹性问题化为求解一高阶偏程。

The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.

结合现场试验,根据直线电机采油泵运动特性,综合虑了液体的可压缩性、魏氏效应、液体连续流动条件和球阀的动力特性,建立了直线电机采油泵球阀运动规律的精确运动程组。

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方准晶的轴对称弹问题化为求解一高阶偏微方程。

The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.

结合现场试验,根据直线电机采油泵运动特,综合虑了液体的可压缩、魏氏效应、液体连续流动条件和球阀的动力特,建立了直线电机采油泵球阀运动规律的精确运动微方程组。

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方准晶称弹性问题化为求解一高阶偏微分方程。

The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.

结合现场试验,根据直线电机采油运动特性,综合虑了液体可压缩性、魏氏效应、液体连续流动条件和动力特性,建立了直线电机采油运动规律精确运动微分方程组。

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晶的轴对称弹性问题化为求解一高阶偏微分程。

The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.

结合现场试验,根据直线电机采油泵运特性,综合虑了液体的可压缩性、魏氏效应、液体连续流条件和球阀的力特性,建了直线电机采油泵球阀运的精确运微分程组。

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方准晶的轴对称弹性问题化为求解一高阶偏微分方程。

The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.

结合现场试验,根据机采油泵运动特性,综合虑了液体的可压缩性、魏、液体连续流动条件和球阀的动力特性,建立了机采油泵球阀运动规律的精确运动微分方程组。

Axisymmetric elasticity problem of cubic quasicrystal is reduced to a solution of a partial differential equation with higher-order by introducing displacement function.

本文通过引函数使得立方准晶的轴对称弹性问题化为求解一高阶偏方程。

The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.

结合现场试验,根据直线电机采油泵运特性,综合虑了液体的可压缩性、魏氏效应、液体连续流条件和球阀的力特性,建立了直线电机采油泵球阀运规律的精确运方程组。

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方准晶的轴对称题化为求解一高阶偏微分方程。

The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.

结合现场试验,根据直线油泵运动特,综合虑了液体的可压缩、魏氏效应、液体连续流动条件和球阀的动力特,建立了直线油泵球阀运动规律的精确运动微分方程组。

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方准晶轴对称弹问题化为求解一高阶偏微分方程。

The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.

结合现场试验,根据直线电机采油泵运,综合虑了可压缩、魏氏效应、连续流条件和球阀力,建立了直线电机采油泵球阀运规律精确运微分方程组。

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方准晶的轴对称弹问题化为求解一高阶偏微分方程。

The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.

结合现场试验,根据直线电机采油泵运动特,综合虑了液体的可压缩、魏氏效应、液体连续流动条件和球阀的动力特,建立了直线电机采油泵球阀运动规律的精确运动微分方程组。