短語詞組短語iteration reconstruction method 疊代重建算法marquardt iteration and method marquardt 疊代法iteration calculating method 逐次解析iteration direct method 疊代直接法iteration approach method 疊代逼近法circulative iteration inversion method 循環(huán)疊代反縯法iteration n method 疊代法iteration calculational method 疊代計算方法successive iteration computing method 逐次逼近疊代法 返回 iteration method