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It is a situation in the past which has not survived, assignable in terms of place and time:place and time being, not so much "there" and "then", as a context of other related occurrences or situations.

资讯科技在没有生还的过去中是一种情形，可分配的根据地方和时间：地方和时间在，不如此很多的"那里"和"然后"，如其他相关的发生或情形的上下文。

Submarine, sub, and hero are widespread terms, not assignable to any particular region.

Submarine，sub 以及 hero 是使用最为广泛的名称，而并非哪个地区的专用。

In an assimilative process, successive sound is made identical, or more similar, to one another in terms of place or manner of articulation, or of haplology- the loss of one of two phonetically similar syllables in sequence.

语音同化过程使一个音受其毗邻的音的影响而发生音变，使其发音变得与其毗邻的音相近。语音同化的结果可以导致元音或辅音的丢失，可以导致元音的鼻音化，也可以导致语音形态的变化。

"China are clearly favorite in terms of coming in with the experience," he told The Associated Press.

"中国显然是最喜欢的方面来的经验，"他告诉美联社记者。

The four Assyrian communities, over time, begin defining themselves in terms of their church affiliation.

四个亚述社团随着时间的过去，开始给以他们自己的教会来给自己定义。

We introduce the general sigma point selection framework, and give two kinds of efficient methods: a reducing the computing complexity by decreasing the number of the sigma point; b scaling the sigma points to influence the effects of the higher order moments, then improve the accuracy of the UT; c Convergence analysis of the UKF, when used as an observer for nonlinear deterministic discrete-time system, is presented. Based on the UKF that captures the posterior mean and covariance accurately to the second or third order term (in terms of Taylor series expansion) for any form of nonlinearity, sufficient conditions to ensure local asymptotic convergence are established.

论文介绍了sigma点的一般选取规则，并给出了两种有效的方法：a通过减少sigma点集合的元素的数目来减少计算复杂度，b通过增加参数来逼近泰勒展开的高阶项，从而提高UT变换的精度；c论文研究了UKF算法应用于非线性确定性离散时间系统时的收敛性问题。

Chapter 9: We report a large quantity of numerical experiments of 13 different algebraic multigrid algorithms for solving the Poisson equation, anisotropic equation, equation with cross-derivative terms, general matrix problems with large off-diagonal positive entries, biharmonic equation, Toeplity matrix, elasticity systems, finite element discretization of the Laplacian and even 3D problems. Particular attention is focused on asymptotic convergence factors and CPU-time consumed. Numerical results for many different types of practical problems demonstrate the efficiency and robustness of the proposed algebraic multigrid methods.

第九章：在各种代数多重网格算法的基础上，进行了大量的数值试验，具体给出了十三种不同的代数多重网格方法求解泊松方程，各向异性方程，带混合导数项的方程，带有大的非对角正元素的一般矩阵问题，重调和方程，托普利兹矩阵，弹性力学方程组，拉普拉斯算子的有限元离散，甚至三维问题的较为丰富的数值结果，重点关注它们的渐近收敛因子和所需的CPU时间，来源于不同类型问题的计算结果既为代数多重网格理论分析和算法的改进提供了很实用的资料，同时也证实了本文给出的代数多重网格算法的效绩和稳健性。

By using nonconforming element and Bramble-Hilbert-Xu Lemma, Laplace approximating eigenvalue is given by the means of asymptotic expansion and the main error terms are presented ,too.

利用Bramble Hilbert Xu引理对Laplace特征值用一个非协调元作对称展开，给出该单元在研究Laplace特征值问题时的误差主项，并进一步给出外推结果，最后给出数值验证。

It remains to seek the appropriate series of asymptotic analyses for obtaining high order terms of asymptotic solution.

而且无法以内边界层描述不同区域的交界部分来改善连接条件的不满足。

The wave number is expanded into asymptotic series in terms of a small parameter. This method is exact and can approach any accuracy desired.

这一方法本身是精确的，它能达到任意所需的精度，然而四层和五层波导结构的数值计算实例表明，仅二阶近似解就足够精确了。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。