It is shown that the 3-dcalculation by FEM with the equivalent permeability coefficient is feasible and the calculating precision can meet the requirements of project.
研究结果表明，采用等效渗透系数进行三维有限元计算是可行的，且计算精度可以满足工程要求。
2
The tracking from two or more sensors will enable precise calculation of a stereo, 3-d track of the missile's flight path, enabling appropriate defensive actions.
由两个或多个传感器进行跟踪将获得立体精确计算，三维跟踪导弹的飞行路径，采取适当的防御措施。
3
P. on a desktop computer using thousands of nodes in a 3-d array, but a good calculation requires millions of cells or the equivalent.