连: link; join; connect分数: fraction; fractional number近似: approximate; similar; approa ...连分数: continue fraction; kettenbruch continued fraction冲晃数近似: impact parameter a roximation; impact parameter approximation对数近似: logarithmic approximation函数近似: approximallon to function; approximation of function指数近似: exponential approximation指数近似式: exponential approximallon对角连分数: diagonal continued fraction简单连分数: simple continued fraction收敛连分数: convergent continued fraction无尽连分数: non-terminating continued fraction无限连分数: infinite continued fraction循环连分数: periodic continued fraction; recurring chain fraction; recurring continued fraction有尽连分数: terminating continued fraction有限连分数: finite continued fraction正规连分数: normal continued fraction正则连分数: regular continued fraction; simple continued fraction集中参数近似: lumped parameter approximation集总参数近似: lumped parameter approximation样条函数近似: spline approximation有理函数近似: rational function approximation指数函数近似: exponential function approximation纯循环连分数: pure recurring continued fraction