查询词典 refutable formula

Firstly, convergence condition of a binomial is discussed, and along with the calculating formula of region of convergence, the matching band of fractance circuit attained by binomial expansion method is indicated definitely.

首先讨论了二项式的收敛条件，并结合收敛域的计算公式，明确指出使用二项展开法所得到的分抗电路的逼近带范围。

If the power series ∑anxn an ∑anxn and ∑bnxn satisfy the condition r =∑bn xn, we obtain the twin combinatorial identity theorem between the sequences {an} and bn}.We also obtain some specific twin combinatorial identities by using the expansion on the binomial expression formula, including two expansions of combinatorial number(rsn and ...

如果幂级数∑anxn与∑bnxn满足条件r＝∑bnxn 时，获得数列｛an｝与｛bn｝之间孪生组合恒等式的定理，应用在二项式定理等展开式上得出具体的多组孪生组合恒等式，其中包含组合数的两种展开法，Bernoulli数直接表达式的新证等结果。

Gauss is a farmer's son, childhood, his math on the show extraordinary talent. Three-year-old father to correct an error in calculation; They found 10-year-old independent series of arithmetic summation of the formula; 11-year-old found the binomial theorem.

高斯是一个农民的儿子，幼年时，他在数学方面就显示出了非凡的才华。3岁能纠正父亲计算中的错误；10岁便独立发现了算术级数的求和公式；11岁发现了二项式定理。

A formula is deduced for the velocity induced by the vortices in two-dimensional shallow water flows and it is used to correct the Biot-Savart law.

建立了二维浅水流动的旋涡诱导速度公式，在已知旋涡场和胀量场时，由该表达式可确定流动速度场。

This paper presents the formula of enumeration of DS-factors of a complete bipartite graph .

本文研究完全偶图 Km，n的DS-因子计数，给出了Km，n的DS-因子计数公式。

Biplane Simpson＇ s formula was used to investigate the change of left ventricular systolic function in all patients.

应用双平面Simpson法测量患者术后不同时间段左室收缩功能及心腔内径的改变。

Double angle formula can transform the circular function equation to a biquadratic algebraic equation,and the analysis solution can be solved by extract equation directly.

用倍角公式可将该三角函数方程转化成一个四次代数方程，然后用求根公式直接求出解析解。

The recurrence formula of linear birefringence calculation for a closed —loop optical path of sensing head is obtained.

OCT的性能分为由其原理所决定的基本特性和外界因素影响下的实际性能。

Activator fx TM is a revolutionary weight defining formula that combines the potent effects of White Willow, Bitter Orange, Hydroxycitric Acid and Caffeine.

好健康热体纤活活化剂是一款控制体重的革命性产品，配方完全天然，结合有效能的白柳，苦橙，氢气柠檬酸及咖啡因而制成。

The fundamental of blackening process as well as its formula, procedure and trouble－shooting cases was described in detail.

本文试图在配方方面加以介绍，使人们对该工艺有更深层次的了解，从而更好地熟悉和应用该工艺，提高经济效益。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。