complex non-linear-function approximation 复杂非线性函数逼近
non-linear function approximation 非线性函数逼近
Then, it approximates the environment map in the same wavelet basis by keeping only the largest terms to get a non-linear approximation of the environment-map.
然后用相同的小波基对给定的环境光做小波变换，只保留其中绝对值较大的系数，从而得到环境光的非线性逼近。
At the same time it is a non-equilibrium process, linear approximation can't describe it properly, a strong dependence of damage on stress must be taken on.
同时也是一个强烈非平衡过程，线性近似不能很好地描述它，必须采用更强烈的损伤对于应力的依赖关系。
With the local approximation near the rational surfaces, the analytical expressions of the evolution of non-linear tearing modes are derived from MHD equations;
本文在有理面附近的局域近似下，从MHD方程出发，求出了非线性撕裂模的时间演化的解析结果。
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