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律的精确微分程组。

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,根据直线电机采油泵特性,综合虑了液体可压缩性、魏氏效应、液体连续流条件和球力特性,建立了直线电机采油泵球规律精确微分方程组。

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.

结现场试验,根据直线电机采油泵运动特性,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,建立直线电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.

本文通过引入位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,根据直线电机采油泵特性,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规律的精微分方程组。

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,根据直线油泵运动特,综合虑了液体的可压缩、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的轴对称弹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.

本文通过引入位移函数使得方准晶的轴对称弹性问题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,根据线电机采油泵运动特性,综合虑液体的可压缩性、魏氏效应、液体连续流动条件和球阀的动力特性,建线电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,根据直线电机采动特性,综合虑了液体的性、魏氏效应、液体连续流动条件和球阀的动力特性,建立了直线电机采球阀动规律的精确动微分方程组。

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的轴对称弹性问题化为求解一微分方程。

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性,建立了直线电机采油泵球阀运规律的精确运微分方程组。