Firstly, the approximate analytical solution of a local domain is derived.
首先求出了局部区域的近似解析解。
The approximate analytical solution is got by using perturbation method.
通过扰动方法求得问题的近似解析解。
The approximate analytical solution on the burning rate of droplet mass is also found on the basis of some simplified hyPotheses.
在一些简化假设的基础上，找到了液滴质量燃速的近似解析解。
The approximate analytical solution of the velocity distribution in the side gap of the counter-rotating twin screw extruder is obtained by means of the generalized Newtonian viscosity.
采用广义牛顿粘度公式，得到了振动力场作用下的异向双螺杆挤出机螺棱侧间隙内的速度分布近似解析解。
The approximate analytical solution of the velocity distribution in the side gap of the counter-rotating twin screw extruder is obtained by means of the generalized Newtonian viscosity.
采用广义牛顿粘度公式，得到了振动力场作用下的异向双螺杆挤出机螺棱侧间隙内的速度分布近似解析解。
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