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 一个表达式
 an expression
 By the structure of integer solutions of the diophantine equation x2-Dy2=C (D ∈ N, C ∈Z - {0} ), this paper gives an expression of the positive integer solutions of the system of diophantine equations 9x2-7y2=2, 32y2-9z2=23.According to the expression, one can obtain the positive integer solutions of this system of diophantine equations by elementary calculating. 利用不定方程x2－Dy2＝C（D∈N，C∈Z－｛0｝）的整数解的结构，给出了不定方程组9x2－7y2＝2，32y2－9z2＝23的所有正整数解的一个表达式．由这个表达式，经过初等计算，可得到该不定方程组的正整数解 短句来源 An Expression of the Capacity of Autoregressive Gaussian Noise Channel with Two Parameters 二参数自迴归高斯噪音信道容量的一个表达式 短句来源 Using an expression to express the general term of a cyclic series 用一个表达式表示循环数列的通项 短句来源 Variable structure is adopted in this simulator,that is,the simulator is generated automatically by an expert system(EXPV) and an expression calculatingprogram generator(EXPC). 仿真器采用可变式结构. 即仿真器由一个专家系统 EXPV 和一个表达式计算程序产生器 EXPC 自动生成。 短句来源 First drives an expression of expected completion time in order to get the equivalent form of the objective function. 为了得到目标函数的等价形式,首先导出期望完工时间的一个表达式. 短句来源 更多
 “一个表达式”译为未确定词的双语例句
 Let A be a finite set and denote F(n,m) be the number of mappings from A to A satisfying f~m(x)=f(x), Where |A|=n. In this paper we get the closed form for F(n,m). 设A是有限集,|A|=n,F(n,m)是从A到A的映射中满足fm(x)=f(x)的映射f的个数,在此给出了计数函数F(n,m)的一个表达式. 短句来源 yueAyueB is a structure to express that the change of the quantity of B relies on that of A. The structure can be written as "yuel+Ajective phrase(+None)/Verb phrase+yue2+Ajective phrase/Verb phrase." “越A越B”格式的可以被概括为一个表达式:越1+形容词结构(+名词)/动词结构+越2+形容词结构/动词结构。 短句来源 An Explicit Formula for the Moore-penrose Generalized Inverse of a Partitioned Matrix 分块矩阵Moore－Penrose广义逆的一个表达式 短句来源 For a self_similar set E satisfying OSC, a realization on the upper convex density is proved, that is, there is U with |U|>0 such that H s(E∩U)/|U| s=1, and as its application, a formula for the calculation of the Hausdorff meaure of E is obtained. 对于满足开集条件的自相似集E ,证明关于上凸密度的一个实现定理 ,即证明存在U ,满足 ｜U｜>0 ,使得H2 (E∩U) ｜U｜s =1。 作为应用给出计算这类分形的Hausdorff测度的一个表达式。 短句来源 The former linguistic expression is called anaphor while the latter antecedent. 前一个表达式叫做回指语(anaphor),而后一个语言表达式则叫做先行词(antecedent)。 短句来源 更多
 相似匹配句对
 AN EXPRESSION OF PRIME NUMBER 素数的一个表达式 短句来源 An Indefinite Integral Conveyed with Two formals 一个不定积分的两个表达式 短句来源 One Evening 一个夜晚 短句来源 PROCESS EXPRESSION 加工表达式 短句来源 In this paper we give a simple proof of a well known result of C. 的一个结果. 短句来源

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 an expression
 Further, an expression of the vertex partition function is also found. The necessary and sufficient conditions of the solvability for inverse eigenvalue problem and an expression of the general solution of the problem are derived. Through the analysis of the relation between existing kinds of components and existing product numbers, an expression of the relation between kinds of components and product numbers is derived. An expression was derived for ionic conductivity incorporating the influence of surface resistance. An expression that reaches a minimum in the stationary state differing little from the equilibrium state is derived. 更多
 An expressionis formulated for three point bend specimens, showing the fact that the effect of the crack extension and that of the crack opening displacement on the change of the electric potential are interactive. The expression is verified by expe-rimental data for medium strength steels and an aluminum alloy. It is proposed that in order to keep the crack extension in a reasonably small extent, the change of the electric potential should be taken a value of 3.8% of the initial potential for the first specimen.... An expressionis formulated for three point bend specimens, showing the fact that the effect of the crack extension and that of the crack opening displacement on the change of the electric potential are interactive. The expression is verified by expe-rimental data for medium strength steels and an aluminum alloy. It is proposed that in order to keep the crack extension in a reasonably small extent, the change of the electric potential should be taken a value of 3.8% of the initial potential for the first specimen. 本文就三点弯曲试件提出一个表达式指出裂纹扩展量和裂纹顶端张开位移两者对电位变化的影响有交互作用。表达式得到几种中强钢和一种铝合金的实验数据的证实。为使第一个试件的裂纹扩展量比较小,建议将电位变化值取为其初始电位的3.8％。 This paper deals with the theoretical analysis concerning the working characteristics of rake star-wheel of head-feeding combine and its design procedure. 1. The condition of the working curve of the rake star-wheel to rake stalks is: φ_(min)>ψ-i where φ_(min)=minimum angle of friction between the working surface of rake star-wheel and stalks. ψ=angle between the polar radius and the tangent line mm. i=angle between the absolute speed and the relative speed. 2. The condition of the working curve of rake star-wheel... This paper deals with the theoretical analysis concerning the working characteristics of rake star-wheel of head-feeding combine and its design procedure. 1. The condition of the working curve of the rake star-wheel to rake stalks is: φ_(min)>ψ-i where φ_(min)=minimum angle of friction between the working surface of rake star-wheel and stalks. ψ=angle between the polar radius and the tangent line mm. i=angle between the absolute speed and the relative speed. 2. The condition of the working curve of rake star-wheel to drop stalks smoothly is: α>2φ_(max) where α=angle between the pressure bar and the tangent line at any intersection of the working curve of rake star-wheel and the pressure bar. φ_(max)=maximum angle of friction between the working surface of rake star-wheel and stalks. 3. As for the working curve of rake star--wheel to satisfy both the conditions of raking stalks and" dropping them~ the value of a can only be selected within the range specified by the following formula: 2φ_(max)<α<φ_(min)+ε+i or 2φ_(max)<α<φ_(min)+Sin~(-1)ρ_o/ρ_A+ctg~(-1)(V_1ρ_A/V_iR_jSint-Ctgτ)。 4. Drawing of the working curve of rake star-wheel. The working curve can be drawn out on the basis of the principle that the angle between the presure bar and the tangent line at any intersection of the working curve and the bar should rerain α from beginning to end. 本文在介绍了半喂入联合收刈机带扶禾器立式刈台拔禾星轮的作用、要求和工作过程的基础上,根据星轮工作过程中的运动,分析了星轮齿面对茎秆的作用力,分别求得同一星轮齿面在工作过程中互相矛盾的拨禾条件与完成拨送任务后的脱草条件。然后以对立统一观点,根据拨禾与脱草的内在联系,把这两个互相矛盾着的两方面,统一为一个表达式,从而求得既能拨住禾秆,又能脱出禾秆的星轮齿面工作曲线的合理参数。并根据分析得出的结论,提出了提高拨禾与脱草能力的有效措施,并指出扶禾框架上的导禾秆,除起导禾作用外,由于星轮齿面在工作过程中,其拨禾能力是在变化的,在拨禾能力最弱的地方,应使导禾秆靠近星轮,以利提高其拨禾能力。最后根据统一表达式的结论,介绍了星轮齿面工作曲线的简便作图法。 The complete stress—strain curves involving falling branch for concrete in uniaxial compression and their approximate expressions suggested by domestic and foreign investigators are briefly summarized and discussed in this paper. Some of them are emphatically reviewed. With respect to the formula suggested by P. T. wang et al, new approach is presented and expressions for the stress—strain relationship inferred directly from concrete ouality with statistical analysis method are proposed. By using the data of... The complete stress—strain curves involving falling branch for concrete in uniaxial compression and their approximate expressions suggested by domestic and foreign investigators are briefly summarized and discussed in this paper. Some of them are emphatically reviewed. With respect to the formula suggested by P. T. wang et al, new approach is presented and expressions for the stress—strain relationship inferred directly from concrete ouality with statistical analysis method are proposed. By using the data of recent experiments made by TianJing University an analysis is carried out. The results obtained are quite agreeable. 本文扼要讨论了包括下降段在内的完整的混凝土轴压应力——应变曲线;总结介绍了国内外研究者所建议的应力——应变曲线的近似表达式;重点评述了若干表达式;对P.T.Wang等人建议的公式提出了修改意见;建议使用统计分析方法直接由混凝土标号确定应力——应变关系,本文提出了一个表达式并以我国天津大学最近所做的试验为依据进行了比较,吻合较好。 << 更多相关文摘
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