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一个双
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  a double
     Using the Hirota method,a single soliton and a double soliton solution are obtained for (3+1) dimensional KP equation.
     运用Hirota方法,将(3+1)维KP方程化为双线性方程,从而得到了一个单孤子解和一个双孤子解.
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     The hardware structure of the gateway is a double CPU structure based on Intel 80C52 series MCU that worked independently.
     基于Intel 80C52系列单片机,设计了一个双CPU分别控制两个通信接口的网关系统结构。
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     Digital control for DC motor is realized by TMS320X24X DSP. It is a double close-loop feedback control(speed loop and current loop) system. Control algorithm is PID.
     本文利用TMS320X24X系列DSP来实现数字化电机调速控制,它由速度环和电流环构成一个双闭环负反馈的控制系统,采用PID控制,实现了对直流电动机的转速的精确控制。
     Considering the designing characteristic of digitized system of naval vessels, using MPLS technology, real-time control network technology based on distributed database and integration technology of software, such as CORBA technology, etc. This paper constructs a vessel digitized system in a double network environments.
     针对舰船数字化系统设计特点,应用MPLS技术、分布式数据库实时控制网络技术及CORBA技术等网络和软件集成技术,构建一个双网络环境的舰船数字化系统。
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     Yingzhaosu A possesses significant physiological activity. The molecular formula of yingzhaosu A is found to be C_(15)H_(26)O_4 by mass spectrometry. Yingzhaosu A contains two vicinal hydroxyl groups, a six-membered peroxide ring and a double bond.
     鹰爪甲素是从番荔枝科植物鹰爪根中分出的一种新的倍半萜过氧化物成分,具有显著的生理活性,分子式C_(15)H_(16)O_4,分子中含二个邻位羟基,一个六元过氧环及一个双键。
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  “一个双”译为未确定词的双语例句
     The 1S_5→2P_2←1S_2 OG signal is investigated in great detail A comment on Shuker's explaination is made.
     对1S_5→2P_2←1S_2的光电流讯号,提出了与Shuker等人不同的解释,我们认为它是一个双步激发过程。
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     Let the lattice-ordered group is a Boole Algebra if and only if we have the following:1.0∈S,x∈S,0≤x, and 0x=x0=x(or 1∈S,x∈S,x≤1 and 1x=x1=1);
     当格群是Boole代数时,该格群一定是平凡的,同时给出一个双格半群(S, ,≤)是Boole代数的充要条件是:1 0∈S, x∈S,0≤x,0 x=x 0=x;
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     Then we proved that for any two Fuchsian groups Г_1 and Г_2 such that H/Г_1 and H/Г_2 are two conformally equivalent hyperbolic Riemann surfaces, a conformal mapping from HГ_1/Г_1 onto HГ_2/Г_2 induces a biholomorphic isomorphism from V(Г_1) onto V(Г_2).
     然后证明了对于两个Fuchs群Γ_1和Γ_2,如果H/Γ_1和H/Γ_2是两个共形等价的双曲型Riemann曲面,则从H_(Γ_1)/Γ_1到H_(Γ_2)/Γ_2的一个共形映射诱导了从V(Γ_1)到V(Γ_2)的一个双全纯同构。
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     Moreover, we determine that if T is a bitriangular essent ially normal operator whose spectrum σ(T)=σ e(T)=σ is a perfect subset of C, then A∈ (U+K)(T) if and only if A satisfy (i) A∈Nor(H)+K(H) ;
     除此之外 ,如果 T是一个双三角的本性正常算子 ,它的谱σ( T) =σe( T) =σ是 C的一个完备集 ,则 A∈ ( U+ K) ( T)当且仅当 A满足 :( 1 ) A∈ Nor( H ) + K ( H ) ;
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     {e1,e2} is a spanning tree of G.
     {e1,e2}是G的一个支撑树,则称G是一个双圈图。
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  相似匹配句对
     An application of double coset
     陪集的一个应用
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     A GENERALIZATION OF THE TWIN SHEAR STRESS YIELD-CRITERION
     剪应力准则的一个推广
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     One Evening
     一个夜晚
短句来源
     is a homomorphism from H to F.
     是一个从 H 到 F的同态.
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     Dual Lenses
     透镜
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  a double
Pricing European option in a double exponential jump-diffusion model with two market structure risks and its comparisons
      
In order to increase the multiplexing capacity, decrease the measurement cost of each sensor, and improve the ability of reliability of the sensor network, a double-port interrogating technology was used.
      
tabulaeformis displayed a double-peaked curve and a "W" curve under different levels of soil water content.
      
It is shown that the noise spectrum displays a double M-shape noise profile resulted from the conversion of phase noise of probe beam.
      
The fabrication procedure involved a double-sintering process in a rich-Mg environment.
      
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An electrostatic three-center model with four parameters _m,q,△E and fordiatomic bonds was proposed,based on Hellmann-Feyniman theorem with someadditional assumptions.Equations relating these four parameters with the effectivenuclear charges and covalent radii of the atoms were derived.Molecular properties suchas dipole moment,force constant,field gradient at the nucleus and nonlinear susceptibility can be calculated in terms of these parameters.The results of calculation arebasical in agreement with experimental...

An electrostatic three-center model with four parameters _m,q,△E and fordiatomic bonds was proposed,based on Hellmann-Feyniman theorem with someadditional assumptions.Equations relating these four parameters with the effectivenuclear charges and covalent radii of the atoms were derived.Molecular properties suchas dipole moment,force constant,field gradient at the nucleus and nonlinear susceptibility can be calculated in terms of these parameters.The results of calculation arebasical in agreement with experimental values.

本文提出了一个双原子键的三中心静电模型,并导出了支撑这个模型的有效键电荷等四个物理参量表达式,从而提供了一个定量研究一些物理化学现象的半经验方法.文中还利用这个方法导出了键矩、力常数、场梯度、晶体的非线性光学系数等重要物理量的理论公式.在不用可调整参数下所得各物理量的计算值同实测值基本相符.

The dynamic rigidity method applied to the multi-disk rotating systems is presented in this paper. The formula of dynamic rigidity to the boundary conditions with flexible support is derived. It is correct to use the proposed formula which has been verified by the derivative frequency equation of the one disk rotating system on the flexible supports. At the end, a calculating example of a rotating system with two disks is given. Thus, the range of application of the dynamic rigidity method can be expanded.

本文介绍动刚度法在多盘转子系统中的应用,导出了有弹性支承边界条件的动刚度公式。用求得的弹性支承上单盘转子系统频率方程证明所推导的公式是正确的。最后,给出了一个双盘转子系统计算实例,从而扩大了动刚度法的使用范围。

The problem of multiple solution is frequently a result of Patterson analysis. This problem can be solved by making use of the component relations or the phase relations of the multiple-solution type. A pseudo structure model containing simultaneously the actual structure and its symmetrical equivalents is in turn the basis for the application of the component relations or the phase relations of the multiple-solution type. The so-called Multiple-solution Fourier Syntheses is the Fourier syntheses based on the...

The problem of multiple solution is frequently a result of Patterson analysis. This problem can be solved by making use of the component relations or the phase relations of the multiple-solution type. A pseudo structure model containing simultaneously the actual structure and its symmetrical equivalents is in turn the basis for the application of the component relations or the phase relations of the multiple-solution type. The so-called Multiple-solution Fourier Syntheses is the Fourier syntheses based on the whole or partial pseudo structure model. This model can be developed and improved by this type of Fourier syntheses. A practical example is given.

Patterson法多解问题是晶体结构分析中的一个具有普遍性质的问题。用分量关系式与多角型相角关系式等直接法解决这类多解问题时,需要以一个赝结构模型做为方法实施的基础,多解型Fourier综合法是得到赝结构图象的一个切实可行的方法,文末以一个双解结构为例成功地进行了试验。

 
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