approximation of first degree的意思|示意

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一级逼近

一次逼近 ... 平均逼近 approximation in the mean 一次逼近；一次近似 approximation of first degree 根的近似 approximation of root ...

一次近似 ... 平均逼近 approximation in the mean 一次逼近；一次近似 approximation of first degree 根的近似 approximation of root ...