線性無窮大近似 linear approximation: 線性逼近; 線性接近; 線性近似linear approximation problem: 線性逼近問題piecewise linear approximation: 分段線性近似法, 折線法; 分段折線近似法piecewise-linear approximation: 逐段線性逼近,逐段線性近似at infinity: 無盡的; 在無窮遠(yuǎn)處下載手機詞典可隨時隨地查詞查翻譯