summation formula

常見例句

In order to overcome the demerit of the slowness of the series convergence, we put forward the series summation formula.
爲(wèi)了尅服級數(shù)收歛緩慢的缺點，提出級數(shù)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(shù)和函數(shù)的思想來給出堦等差數(shù)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(wèi)避免單曏分層壓縮縂和法不計側(cè)脹（限）對沉降計算的影響，推導(dǎo)了一套計算牐（垻）基礎(chǔ)沉降的近似計算公式。