The boundary condition of the universe is that it has no boundary.
宇宙的边界，就是它没有边界。
boundary condition
英汉-汉英词典
边界条件，界面条件
词组 | 习惯用语
您要查找的是不是：
boundary conditon 边界条件
temperature boundary condition 温度边界
twist boundary condition 扭曲边界条件
fixed-end boundary condition 固支边界条件
outflow boundary condition 出边界条件
self-adjoint boundary condition 分离型自伴边条件
external boundary condition 外部边界条件
fictitious boundary conditions 虚拟边界条件
boundary condition [数] 边界条件，界面条件
boundary conditions 边界条件
Dirichlet boundary conditions 狄利克雷边界条件
inhomogeneous boundary condition [数] 非齐次边界条件；不均匀边界条件
Dirichlet boundary condition [数] 狄里克雷边界条件
Neumann boundary condition 诺埃曼边界条件
dynamic boundary condition 动力边界条件
third boundary condition 第三类边界条件,第三边界条件
geometric boundary condition 几何边界条件
homogeneous boundary condition 齐次边界条件
英语例句库
- The Bethe ansatz equations are obtained from the periodic boundary conditions.The results show that this system is also completely integrable.
【摘要】： 正 The exact eigenstates of the Hamiltonian of the mixed-valence lattice model are constructed by using the Bethe ansatz. - A symmetrical ferromagnetic bilayer film is investigated under the nonperiodic boundary condition and considering anisotropic field at two surfaces,by using the rescaling interface approach.
在非周期性边界条件和在考虑表面各向异性场的情况下,应用界面重参数化方法精确求解了两层对称铁磁薄膜中的低能自旋波本征问题。 - The one dimensional continuity equations of n-on-p planar PN junction are solved at different boundary conditions. Generalized solutions of photocarrier concentration are given in this paper.
摘要对一维情况下平面PN结的连续性方程进行了求解，给出了不同边界条件下光生载流子浓度的一般形式解，并对结果进行了分析讨论。
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原声例句
2018最热精选合辑
双语版 TED-Ed 演讲精选
One example of a boundary condition is solar radiation.
边界条件的一个例子就是日射。
双语版 TED-Ed 演讲精选
Most boundary conditions have well-defined values that change slowly, if at all.
大多数边界条件都有明确定义的值，这些值如果有变化也非常缓慢。
TED-Ed（视频版）
And we're gonna solve it for the boundary conditions of a lattice and a particle in the box.
我们将要用它来计算一个晶格和一个粒子在盒子中的 边界条件。
双语版 TED-Ed 演讲精选
Even the slightest change in these boundary conditions represents a much larger shift for the chaotic weather system.
即使这些边界条件仅有细微的变化，也会让混沌的天气系统产生大幅变化。
双语版 TED-Ed 演讲精选
These parameters are known as boundary conditions, and as their name suggests, they act as constraints on climate and weather.
这些参数是所谓的边界条件，如同字面含义，它们扮演气候及气象的限制条件。
时间简史（原版）
Further predictions of the no boundary condition are currently being worked out.
目前正在研究无边界条件的进一步预测。
两分钟论文
It also handles boundary conditions, which means that these details are correctly added even if our smoke puff hits an object.
它也可以处理边界情况，那意味着即使我们的烟雾团碰到了物体，这些细节也能被正确添加进来。
双语版 TED-Ed 演讲精选
But fortunately, we can identify what human behaviors are impacting the climate most by tracking which boundary conditions are shifting.
幸运的是，我们可以找出什么样的人类行为对气候的影响最大，方法是追踪哪些边界条件正在改变。
时间简史（原版）
What were the " boundary conditions" at the beginning of time?
时间之初的“边界条件”是什么？
中文百科
边值问题 Boundary value problem
（重定向自Boundary condition）
在微分方程中，边值问题是一个微分方程和一组称之为边界条件的约束条件。边值问题的解通常是符合约束条件的微分方程的解。
物理学中经常遇到边值问题，例如波动方程等。许多重要的边值问题属于Sturm-Liouville问题。这类问题的分析会和微分算子的本征函数有关。
在实际应用中，边值问题应当是适定的（即：存在解，解唯一且解会随着初始值连续的变化）。许多偏微分方程领域的理论提出是为要证明科学及工程应用的许多边值问题都是适定问题。
最早研究的边值问题是狄利克雷问题，是要找出调和函数，也就是拉普拉斯方程的解，后来是用狄利克雷原理找到相关的解。
英语百科
Boundary value problem 边值问题
（重定向自Boundary condition）
In mathematics, in the field of differential equations, a boundary value problem is a differential equation together with a set of additional constraints, called the boundary conditions. A solution to a boundary value problem is a solution to the differential equation which also satisfies the boundary conditions.
近义、反义、联想词
近义词
n.condition, precondition, stipulation
英英词典
boundary condition n.
- (mathematics) a condition specified for the solution to a set of differential equations
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