The inverse mapping is achieved through BP network, and neural network modul is constructed for designing process parameters.
通过误差逆传播(BP)网络实现了逆映射，建立了工艺参数设计的神经网络模块。
There is no explicit formulation of inverse mapping about the isoparametric element, so inverse mapping is avoided in finite element analysis.
由于等参元不存在逆变换的显式，所以在有限元分析的列式中都回避等参元逆变换。
Moreover, it avoids the huge requirement of inverse mapping by taking advantage of the template technique, which has improved the computation efficiency without artificial rendering error.
同时，充分利用模板技术避免了大量逆向映射的建立，在获得不错绘制效果的同时，进一步提高了计算效率。
Moreover, it avoids the huge requirement of inverse mapping by taking advantage of the template technique, which has improved the computation efficiency without artificial rendering error.
同时，充分利用模板技术避免了大量逆向映射的建立，在获得不错绘制效果的同时，进一步提高了计算效率。
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