approximation method 近似方法；近似法；尝试法
linear approximation 线性近似，线性逼近
successive approximation 连续的近似值；连续的学习步骤；逐次近似
算法 first approximation 第一近似值
born approximation 玻恩近似；玻饵似
approximation error 近似误差
adiabatic approximation 绝热近似
least square approximation 最小平方逼近
approximation theorem 逼近定理
degree of approximation 近似度，逼近度
initial approximation 初始近似值；起始方位；初始近似
method of approximation 近似法
quadratic approximation 二次逼近
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