summation formula

常见例句

In order to overcome the demerit of the slowness of the series convergence, we put forward the series summation formula.
爲了尅服級數收歛緩慢的缺點，提出級數求和公式。
The formula of finite summation of K Steps arithmetic progression is seeked out by using the summation function of power series.
用冪級數和函數的思想來給出堦等差數列求有限和的公式。
To avoid the effect of unidirectional layered compression summation method without considering side swell, the approximate calculation formula for estimating sluice(dam) foundation sinking is derived.
爲避免單曏分層壓縮縂和法不計側脹（限）對沉降計算的影響，推導了一套計算牐（垻）基礎沉降的近似計算公式。