I will mug up the laws on this subject before I advise my friends.

The actor has to learn all the words for the play by heart.

演员必须把剧本的所有台词记熟。

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He practised saying his speech over until he was letter perfect.

他练习背诵自己的演说稿，直到把它完全记熟。

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Our ancestors created numbers for counting, not for luck.

我们的祖先创造数字是为了记熟而不是为了运气。

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By solving the simultaneous equations of the continuity equation of sediment discharge and the bed load formula, a two-order partial differential equation for the change of bed-level in the process of headward erosion is obtained.

联解沙量连续方程和推移质输沙公式，得溯源冲刷的河床高程随时间和距离变化的二阶偏微分方程。

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Starting with the flow equation, the continuity equation and the force equilibrium equation of the hydraulic system, the authors deal with the mechanism modeling for the double triangle boom and its hydraulic system.

作者从液压系统的流量方程、连续性方程和力平衡方程入手，对双三角钻臂及其液压驱动系统机理建模。

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Meanwhile, the ways to enforce the continuity equation on the boundary and to implement the suitable boundary condition for pressure correction equation on a non-staggered grid are proposed.

并提出了在非交错网格系统中保证在边界上满足连续性方程以及补充压力校正方程的边界条件的方法。

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Based upon Tschebyscheff functions methods are given for integrating the hydrostatic equation and the continuity equation and for computing vertical advection and vertical diffusion.

还对某些气象要素在垂直方向微商呈现间断的问题进行了分析，指出了其中存在的问题和应采取的措施。

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The flow process includes continuity equation, momentum equation, turbulence equation and energy equation and applies standard k-ε model to solve; the reaction process applies finite-rate/ eddy-dissipation model to solve; the radiation process applies discrete ordinates model to solve.

其中气相流动以流体力学中的连续性方程，动量方程，湍流模型方程和能量方程为基础，使用标准κ-ε模型，化学反应使用有限反应速率/涡耗散模型，辐射传热使用离散坐标模型。

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Because of that, the boundary conditions of continuity equation are different from those of conventional cells.

它的存在使得p区的连续方程边界条件不同于普通电池。

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The model couples continuity equation, momentum equation and species conservation equations. Net water transport flux in the membrane is considered as a boundary condition.

模型耦合了连续方程、动量方程和组分守恒方程，并将质子膜中的净水迁移通量作为边界条件之一来处理。

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The displacement continuity equation on one-way support is deduced and a classic algorithm for linear complementary is used for solution of the equation in this paper, and thus avoids many repeated estimate procedures.

采用了单边支承的位移协调方程，并用关于线性互补问题的经典方法求解，从而可避免反复试算，减少了大量的工作量。

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The density continuity equation, current continuity equation and the electron energy conservation equation are established for all 12 reactive particles to study the impact of excitation frequency on current density and particles density distribution.

对反应气体中的12种主要粒子建立连续性方程、动量方程，并结合电流连续性方程以及电子的能量守恒方程，研究激发频率对电流密度和各粒子密度分布的影响。

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A new equation of density evolution is derived from the electron continuity equation and the ion momentum balance equation.

本文考虑了托卡马克等离子体边缘的物理性质，由电子连续性方程和离子动量平衡方程导出了电子密度演变方程。

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The global continuity equation and normal momentum equation are solved in a coupled way.

计算时采用连续方程和法向动量方程耦合求解的方法以解决细长体远后身区计算中的问题。

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Based on the continuity equation, momentum equation and K-s turbulent pattern of hydrodynamics, we obtain the interior flow field distribution regular of the model by use of the computational hydrodynamics software FLUENT. After analyzing the calculational result, we improve some parameters of the new model.

基于流体力学的连续方程、动量方程及K-ε湍流模式，利用计算流体力学软件FLUENT，得到了计算模型内部的流场分布规律，并通过对计算结果的分析，改进了这种新模型的某些结构参数。

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By coupling the continuity equation, momentum equation and mass transport equation, we can compute O2 and H2O concentration distribution and the gas velocity distribution at the cathode with pin flow field, multi meander flow field and single meander flow field.

通过耦合求解质量守恒方程、动量守恒方程和组份守恒方程，计算出点状、多蛇形和单蛇形三种不同流场阴极O2和H2O浓度的分布以及气体速度分布。

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By the continuity equation and the momentum equation for an ideal incompressible fluid, this essay derives the fundamental equations of surface water wave and works out an analytical solution under the condition of small-amplitude via the linear approximation theory.

利用理想不可压缩流体的连续性方程和动量方程，推导了表面波基本方程，并应用线性近似理论求出了小振幅波情况下的解析解。

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From the continuity equation satisfied by the stress rate and the stress concentration we gain the necessary condition of rupture expansion, and discuss the state of medium in seismic focus region before an earthquake and dynamic expression of stress drop.

由应力变化率和应力集中所满足的连续方程.得到破裂扩展的必要条件，并据此讨论了震前震源区介质的状态和应力降的动力学表示。

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Two-layer flow of magnetic and non-magnetic fluids was simulated in two-dimensional Cartesian coordinate. The continuity equation, two momentum equations, the kinematic equation, and the magnetic potential equation were solved numerically.

采用二维笛卡儿坐标系，数值求解了磁性液体和非磁性液体体系的连续性方程、双动量方程、运动方程以及磁势方程，模拟了磁性液体-硅油的两层流动。

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We discuss the continuity equation should be satisfied by C2 continuous quartic spline curve. We also propose a new method to construct C2 continuous quartic spline surfaces.

讨论了C2连续的四次样条曲线需满足的连续性方程，提出了构造C2连续的四次样条插值曲面的新方法。

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