分裂域

Further analysis indicated that the value of CTK/IAA in decussate maize was not only dominant higher than in alternative maize, but also was increased accompanied with phyllotary changes from alternative to decussate.

对生叶序的形成与生长点组织细胞分裂素含量增加密切相关，玉米生长点CTK/IAA域值的稳定和变化是调节叶序稳定和变异重要因素。

However, being a collective action, the educational action research, is inevitably going into dilemma: the inequality of status between teachers and scholars; the difference in register understanding between teachers and scholars; the disseverance of "theory" of research, and "theory" of actions for teachers; the antinomy of teachers' action mode and research mode.

然而，作为一种集体行动，教育行动研究不可避免地陷入某些困境：教师地位与学者地位的不平等、教师与学者语域理解上的偏差、教师"学习"理论与"行动"理论的分裂、教师行为模式与研究模式的对立。

It solves the grid equations with domain decomposing multigrid parallel method and precondithoners as elimination method.From the discussion of the iterative property of Gauss elimination method,it can improve the parallel efficiency by overcoming the obstacle in the information passing.

对网格方程组作多重网格区域分裂并行计算，以消去法为预条件，讨论了Gauss消去法的迭代性质，指出该迭代法有效改善通常迭代在子域信息传递过程中的障碍性问题，提高多重网格区域分裂并行计算效率。

Firstly, we prove the existence and the uniqueness of the hyperfocal subalgebra when the coefficient field is split for a defect pointed group; then, considering the structural pattern of source algebras over arbitrary fields, by means of G-acted groups, we reduce the existence and the uniqueness of the hyperfocal subalgebra over an arbitrary field to the case that the coefficient field is split for a defect pointed group and the inertia group stablizes a hyperfocal subalgebra.

首先我们证明了如果系数域对亏点群是分裂的，则源代数的超聚焦子代数存在且共轭唯一；然后通过考虑任意域上源代数的结构模式，以G-作用群为手段，将超聚焦子代数的存在性和唯一性归结为系数域对亏点群是分裂的情况下惯性群稳定的超聚焦子代数的存在性和唯一性。

The completely diagonalized Hamiltonian matrices of 3d2／3d8 ion configuration in the trigonal symmetry sites have been established by irreducible representation method. Taken into account microscopic magnetic interactions, the spectral fine structure, local structure and zero-field splitting parameters of V3+:α-Al2O3 and Ni2+:α-Al2O3 crystals are investigated as well as the influence of the doping.

应用不可约张量方法构造了三角晶场中3d2/3d8态离子的45阶可完全对角化的能量哈密顿矩阵，在考虑了微小磁相互作用的基础上计算了V3+：α-Al2O3和Ni2+：α-Al2O3晶体的光谱精细结构、晶体局域结构和零场分裂参量，研究了掺入Ni2+和V3+对α-Al2O3晶体光谱精细结构、晶体局域结构和零场分裂参量的影响。

Then, in the procedure of triangulation, we introduce the concept of front splitting and discontinus increasing, so that the procedure can be used to form triangular elements within muti-connected domains with arbitrary boundaries and nodes without any regularity.

然后，在将内部结点和边界结点连成三角形的阵面法中提出了生成阵面增长和分裂的概念，使得该方法能够适应于结点疏密程度变化很大的任意边界内的三角形网格的生成，并能够自动处理多连通域问题。

This one-way wave equation fits eikonal equation and transport equation corresponding to full acoustic wave equation in travel-time and first order amplitude. According to the perturbation theory often used in inverse solution, we split the velocity field into intraformational constant velocity background and variable velocity disturbance. Then we calculate time-shift quantity of migration and amplitude correction coefficients for wavefield depth continuation in total uniform formation and each formation.

基于反问题求解中常用的摄动理论，把速度场分裂为层内常速背景和变速扰动，求得整个均匀层波场深度延拓的偏移时移量及振幅校正系数、各层的偏移时移量及振幅校正系数，从而得到一个基于傅里叶有限差分法的双域保幅叠前深度偏移算子方程。

In order to investigate antenna with complex structure efficiently, the combination of alternating-direction-implicit and pseudospectral time-domain method is used.

为了对复杂结构的天线进行有效分析，采用了变换方向隐式的伪谱时域方法，通过分析时间分裂步原理，将三维麦克斯韦方程组降阶为三组一维表达式，用于ADI-PSTD的计算。

In order to investigate antenna with complex structure efficiently, the combination of alternating-direction-implicit and pseudospectral time-domain method is used. By analyzing the time-step splitting principle, the ADI-PSTD method is therefore simplified.

摘 要：为了对复杂结构的天线进行有效分析，采用了变换方向隐式的伪谱时域方法，通过分析时间分裂步原理，将三维麦克斯韦方程组降阶为三组一维表达式，用于ADI-PSTD的计算。

And trust region type algorithm with memoryless technology not only satisfies new factorized quasi-Newton equation, but also saves much storage and algebraic operations than the original factorized quasi-Newton methods.we prove it posses the global convergence and the local superlinear convergence under some condition.

本文中利用无记忆技术产生的无记忆型信赖域算法不仅满足新分解牛顿方程，具有其所有的良好性质，而且比一般的分裂拟牛顿法节省存储空间，减少计算量。本文证明了在一定假设条件下该算法具有全局收敛性及局部超线性收敛性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。