The reason we think the past is fixed once and for all is that there is a boundary condition at the beginning of time.
原因就是，我们认为过去是曾经确定的，未来全部由自己把握是因为在时间的开始有一个界定的条件。
Ordinarily we do not imagine that there is any analogous boundary condition in the future-entropy continues to grow, but we cannot use that information to draw any conclusions.
通常我们不会想象未来有任何相似的界定条件，因为一致性持续增长，而我们不能用这一信息去得出任何结论。
This program begins by first checking a boundary condition -- whether or not the list is empty.
这个程序首先检查边界条件 ——列表是否为空。
Based on the analysis on cooling process of stator, basic assumption and boundary condition are presented.
通过对定子冷却的分析，提出了计算的基本假设和边界条件。
Three difference buckling modes of delaminated shell were considered. The influence of boundary condition, length and depth of delamination on buckling load was analyzed.
考虑脱层壳的三种不同屈曲模态，分析了边界条件、脱层长度、深度对脱层壳屈曲载荷的影响；
The characteristic of this model is only to know basic and natural boundary condition, then the stream function and flow velocity required on the boundary are obtained.
这一模型的特点只需要知道边界上的基本边界条件和自然边界条件，就可以得到边界上所需要求的流函数和水流速度；
In the numerical simulation of the wave equation, to develop an absorbing boundary condition in the finite domain is a very important problem.
在地震波传播的数值模拟中，在有限区域建立吸收边界条件是一个很重要的问题。
In order to solve the problem, we proposed optimized weighted absorption boundary condition.
针对这一问题，提出了优化加权吸收边界条件。
The optimal mathematical model of the double universal spindle must satisfy the constraints of strength, rigidity, vibration condition, stability and boundary condition.
双万向轴的优化数学模型必须满足强度、刚度、振动条件、稳定性及边界条件的约束。
An unintended boundary condition arises when the scan circuitry is not disabled.
当扫描电路未被关闭的时候会出现预期之外的边界条件。
The boundary condition differences between natural power and artificial driven fracturing in hydraulic and hydroelectric engineering are presented.
分析了水利水电等工程中的水力劈裂与人工致裂边界条件的不同。
Influence of wall boundary condition on plume impingement effects is finally studied by applying various gas - (surface) interaction modeling.
通过选择不同的气体分子与壁面相互作用模型研究了壁面边界条件对羽流撞击效应的影响。
The proposed method is applicable for the thin-walled member of any cross section with any boundary condition.
本方法适用于任意横截面形状和任意边界条件的薄壁杆件。
How to confirm the internal boundary condition is a difficulty for above fluid-solid coupling heat transfer system.
确定此系统的内部边界条件成为发动机传热研究的难点。
According to the measured results, a reasonable boundary condition can be set up and then the field distribution can be calculated by using the finite element method.
按测量结果，确定了一个合理的边界条件，用有限元法模拟计算了沿轴场分布。
The authors assume that the heat flux at the sliding surface of the lip occurs for the second boundary condition.
将唇口滑动而上的传热归结为第二类边界条件；
The liner is assumed to be porous material and the partial sealing boundary condition of tunnel is introduced firstly to represente most of the real practical situations.
假定衬砌材料为多孔介质，引入了更符合工程实际的半封闭边界条件。
Based on transmission boundary condition, gives calculation method for value of dynamic model equation, pipeline discrete form, memory method for coefficient and difference equation.
根据输送边界条件，给出了动态模型方程的数值计算方法、管道离散格式、参数存储方法和差分方程。
This article shows up a simple method of symmetry breaking mechanism which embark from the extra dimensional model and through boundary condition definition.
本文给出了一种从额外维度模型出发，通过边界条件的定义建立对称破缺机制的简单方法。
In the seepage theory, the current expression of boundary condition on phreatic surface is aimed at a kind of seepage.
渗流理论中现有的潜水面边界条件表达式是针对特定方向的一类潜水渗流问题而给出的。
The lattice wave solution of single atomic chain only results from the cyclic boundary condition.
指出一维单原子链的格波解是由于采用了循环边界条件的结果。
The boundary condition of velocity and displacement was gained during slab side press, through analyzing sp die kinematics character.
通过分析调宽机模块的运动特性，可获得板坯侧压的位移和速度边界条件。
Snapshot of wave field trial result says that this kind of absorptive boundary condition brings good absorption effect except.
波场快照试算结果表明，这种吸收边界条件吸收效果很好，而且形式简单，易于实现。
The treatments of lateral boundary condition and initial fields are also appropriate.
侧边界条件及初始场的预处理也大体是合适的。
At last, we demonstrated how to apply the empirical formula to the equivalent seaward boundary condition through an example.
最后通过一个实例指出了超高经验公式应用于等效海岸边界条件的过程。
The numerical results comprehensively describe the influence of the slip boundary condition on mass flow rate.
数值分析结果给出了速度滑移边界条件对管道质量流量的影响。
In the aspect of theory, the boundary condition with variable storage pipeline volume is proposed.
在理论研究方面，提出了可变管线存储体积的边界条件。
The finite volume discretization method and treatment of boundary condition were presented.
采用有限容积法离散方程，附加源项法处理边界条件。
The finite volume discretization method and treatment of boundary condition were presented.
采用有限容积法离散方程，附加源项法处理边界条件。
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