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The former, such as Bettess element and Astley element, needs geometry mapping and shape functions in terms of local coordinates, while for the latter, the shape functions are directly expressed in terms of global coordinates. This paper reviews the state-of-the-art and recent advances of the infinite element method for unbounded domains.

无限元分为映射无限元和非映射无限元：映射无限元需要引入几何映射，在局部坐标系中构造插值形状函数，如Bettess 元和Astley元；非映射无限元则直接在整体坐标系中构造插值形状函数，如Burnett元。

During the urban land management, the terms related to the urban planning, demolishing houses and relocation of old districts, land exploitation, land attornment and so on can be corresponded to the terms involved in the product marketing and planning such as product design, production and product distribution.

城市土地经营过程中，涉及到城市规划、旧城拆迁、土地开发、土地出让等工作，完全可以对应于市场营销中的产品设计、产品生产和产品销售过程。

The common method, that all strong-correlation terms of the model are eliminated, can bring the loss in the engineering application, so the new method is proposed that the identified model reserves some correlation. The augmented matrix A is constructed by the outputΔW and the matrix S. The"determinating order based on ratio of determinant"is brought out to screen the strong-correlation terms in the structure identification. The latent root estimation is improved in screening the eigenvalues and eigenvectors. Thus the estimation precision is improved greatly.The consistence check of guidance instrument error coefficients of flight test and ground test is the purpose of flight experiment. The causes of inconsistency of the two models are analyzed. The hypothesis test of linear regression model based on F statistics is proposed to check the consistence.Finally, the instability of error coefficients is probably caused by the change of the flight environments, therefore, the relation between the error coefficients and flight environment is analyzed. The approach is presented to identify SINS guidance instrument error models and compensate the error in the segmented sections corresponding to the change of vertical acceleration of aircraft.

在结构辨识中，常用的方法由于将模型中的强相关项全部剔除而给工程应用带来损失，因此，本文提出了新的有益思想，即在保留一定相关性的基础上进行辨识：将输出向量ΔW与环境函数矩阵S构成增广矩阵A，然后采用"比定阶行列式"来剔除相关向量的方法，这样既可以尽可能多地保留了对落点影响大的强相关参数，又可以对落点影响小的强相关参数给予剔除；在参数估计中，改进了特征根估计中特征根和特征向量的筛选方法，提出"近零"准则，从而大大提高了参数估计的精度；再者，鉴于天地模型"一致性"检验是飞行试验和SINS制导工具误差系数分离的主要目的，因此，本文又深入分析了造成天地模型不一致的原因，提出了采用基于F统计的线性回归模型假设检验方法来进行捷联制导工具误差模型的天地"一致性"检验；最后，鉴于飞行环境剧烈变化可能会对惯性仪表误差系数稳定性带来一定的影响，因此本文深入地分析了SINS制导工具误差系数与外界环境的关系，提出了基于过载变化大小的分段辨识和分段实时补偿的算法。

"The reason we're losing natural capital is because it's free," says Ed Barbier, noting that we often think of conservation in terms of its costs rather than its value, and regard manufactured goods in terms of value rather than their environmental costs.

Ed Barbier认为我们经常从自然的损耗而不是它的价值来考虑保护环境，而对于制成品，我们考虑的是它的价值而非它对大自然的损耗。

Some proprietary terms are now conventionally spelt with a lower case initial (baby buggy, biro, cellophane, jeep), and this is generally true of established verbs derived from proprietary terms.

对于由专有名词派生而来的已约定俗成的动词，一般首字母也用小写。

Article 12When other terms of a debt are modified, the creditor shall recognize the fair value of the credit after the modification of other terms of the debt as the book value of the restructured debt and shall handle the book balance of the debt to be restructured and the book value of the restructured debt in accordance with Article 9 of these Standards.

第十二条修改其他债务条件的，债权人应当将修改其他债务条件后的债权的公允价值作为重组后债权的账面价值，重组债权的账面余额与重组后债权的账面价值之间的差额，比照本准则第九条的规定处理。

Here a, b, c, d, e and f denote the previous six terms a is the number six terms

除以6 时的余数，这里a、b、c、d、e 和f 分别是之前的六

The commonest terms used in electricity today are Franklin's words: battery, brush, armature, chare, condense, conductor, plus, minus, positive, negative —— terms he made up as he made observations or conducted experiments.

如今电力方面最常用的术语是出于富兰克林的，例如：电池、电刷、电池、电刷、电枢、、电容、导体、正电、负电、阳极和阴极等。他创造这些属于就如同他观察或进行试验一样。

But I think everybody did a good job in terms of the safety in terms of the circuits.

我认为在赛道安全方面所有的人都做得很好。

Loose networks of angel investors are beginning to codify the terms on which they can work together, such as by agreeing investment strategies and standardising investment terms.

原先松散组织的天使投资者们正在开始将他们合作的方式正规化，比如在投资策略上达成一致以及将投资方式标准化。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切