数
- 与 数 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Similarly, the number of negatively charged electrons moving around the nuclei of the atoms increases across a period, but the additional electrons are all located in the same electron energy level or shell.
在一个周期里,原子的核电荷数和核外电子数递增,但是另外的电子都排布在同一电子能级或电子层中。
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On the electronegative elements, bonding electron number and bonded hydrogen atomic number, new molecular topological index is developed to do research on creaturely activity for alcohol, aether, ketone and ester in this paper.
基于元素的Pauling电负性,原子成σ键的电子数,原子直接键连的成σ键的氢原子数目和原子在形成离域π键时所提供的P电子数,定义了一种原子点价公式,构建了分子连接性指数。
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Using algebraic methods which include extended Tanh-method,some new solitary solutions to the DBM and Log-DBM equation,such as singular solitary solutions,double singular peakon solitary wave solutions,double solitary wave solution with peakon and singular periodic solitary wave solutions are obtained..With the aid of an auxilitary function combined with the elliptic integral of the first kind,periodic solitary solution,singular and periodic singular solitary solutions can be obtained.
第三章利用扩展的Jacobi椭圆函数展开法研究了方程,并给出ZK-MEW方程的Jacobi椭圆函数解,特别的,当模数m→0和m→1时,其中一部分解退化为三角函数解和孤立波解;其次使用sn-cn拟设法,研究了K(k,s,1)方程,得到了k=s=3时的新的精确解,并在模数m→0和m→1时得到了丰富的三角函数和孤立波解。
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A new method of finding the points on an elliptic curve by Maple is supplied; Maple is applied to the addition operation, the scalar product operation and the method of seeking the order of a basic point on the elliptic curve are proposed; the applications of Maple on ECC including encryption and decryption are supplied.
利用Maple编程求出椭圆曲线上有理点,用Maple实现椭圆曲线上两点的加法、点的数乘运算及求某个基点阶数的算法,利用Maple实现椭圆曲线密码体制的加密及解密。相比C语言,Maple语言更接近于平时说话的语法。同时,Maple语言可以方便地转化成C语言。
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The elliptic type governing equations, subject to free boundary conditions, have been solved to sutdy the velocity, temperature, and pressure distributions throughout, as well as local Nusselt numbers from 10/sup 2/ to 10/sup 6/ are presented for both symmetric and asymmetric heating cases, and the influence of wall temperature difference ratio, r'/sub T/ on the flow pattern is also considered.
由求解椭圆型统制方程式及利用自由边界处理方法,来计算整个流场的速度,温度和压力分布,以及在板面上之局部纳瑟数。葛拉修数的计算范围为102-106,且包括对称及不对称加热二种情形,尤其是二板温差比。gamma。/sub T/对流场的影响方面。
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The aim of this paper is to construct a class of quasihereditary endomorphism algebras with global dimension ≤3 from the algebras of representation dimension at most three.
介绍了表示维数小于等于3的一类非常重要的代数,并从这类代数出发,构造了一类新的整体维数小于等于3的拟遗传自同态代数。
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Fourthly, the resonance structure disappears in the energy dependence of integral cross-section due to the summation of partial waves.
在相同入射能的情况下,总散射截面随转动量子数j的增大而显著增大,随量子数m的增加而减小。
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So three different method, in which, under the control of the energy norm error, the orders of the shape functions in the whole region, in some elements, and on some generalized nodes are increased respectively, are adopted to implement the p-version adaptive hierarchical Block Element Method.
文中采用整体升阶、单元升阶和广义结点升阶三种方法,在能量范数误差的控制下分别升高所有单元、部分单元和部分广义结点的形函数阶数,从而实现了岩体的p型自适应阶谱块体单元法。
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By using the modal superposition method for the dynamic responses calculation of the linear oscillation system, a judging indictor in the energy norm form is given to determine the number of dominant modes on mode truncation .
针对用模态叠加法计算结构线性振动系统的响应,作模态截断的截尾模态阶数的取值,给出了能量范数形式的判断指标。
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By using the modal superposition method for the dynamic responses calculation of the linear oscillation system, a judging indictor in the energy norm form is given to determine the number of dominant modes on mode truncation.
针对用模态叠加法计算结构线性振动系统的响应,作模态截断的截尾模态阶数的取值,给出了能量范数形式的判断指标。用于小湾拱坝结构的动力分析表明,需取 10阶以上的模态进行叠加
- 推荐网络例句
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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.
此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。
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To get the business done, I suggest we split the difference in price.
为了做成这笔生意,我建议我们在价格上大家各让一半。
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After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.
一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。