广义: broad sense; generalization级数: progression; series; number ...的: 4次方是 The fourth power of 2 i ...和: mix; blend广义级数: generalized series级数的和: sum of series; value of series数值级数的和: sum of numerical series算术级数的和: sum of arithmetic progression无穷级数的和: sum of infinite series; sumofinfiniteseries级数的: progressional广义幂级数: generalized power series级数的反演: inverse time of series; inversion of a series级数的加法: addition of series级数的减法: subtraction of series级数的项: term of a series; term of series级数的项数: number of terms in a series级数的余部: remainder of a series级数的重排: rearrangement of series广义博恩级数: gbs; generalized born series级数的逆演, 级数的反演: reversion of a series级数的结合律: associative law for series级数的收敛性: convergence of series罗郎级数的挚: principal part of laurent series幂级数的对数: power series logarithm幂级数的松弛: relaxation of power series