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Using real data from a seismic exploration, we achieved the migration sections of converted wave beneath volcanic area, and it is proved that the method is effective for computing common asymptotic conversion point and pre-stack time migration.

实际资料的成像结果表明，本文采用的近似转换点计算以及转换波叠前时间偏移方法是有效的。

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。

During that period, his research field covered many sections, such as speech analysis and synthesis, speech coding, automatic answering, speech recognition, echo elimination, sound operation interface, high efficiency search algorithm and identifiable HMM.

在贝尔实验室期间，他的研究领域覆盖了语音分析与合成，高音质、中低比特率语音编码，自动应答，语音识别，回声消除，无手控语音操作界面，高效搜索算法，有辨识力的HMM训练等等多个方面。

Only a portion of the Avesta remains, but the language of its earliest sections is extremely ancient, closely related to that of the Indian Vedas.

只有部分的avesta依然存在，但语言的，其最早的路段，是十分古老的，密切的关系，即印度

In this paper, separation axioms in L-topological spaces are studied ,there are two sections .

本文研究L-拓扑空间的分离性，共分两节。

Add one section in Article 44 as the second Section, stipulating: After Ministry of Commerce initiated the investigation, if the evidence proves that the two cases referred to in above two sections exists together, necessary registration measures on related imported products may be made so as to backdate to anti-dumping tax.

" 十一、在第四十四条中增加一款作为第二款，规定："商务部发起调查后，有充分证据证明前款所列两种情形并存的，可以对有关进口产品采取进口登记等必要措施，以便追溯征收反倾销税。

The following sections give the details of the backplane network operation and configuration.

下面的章节将讲述如果操作和配置共享内存网络。

If he is a geologist, he will be completely engrossed in observing the vivid colors produced in sections of rock by polarized light; if a bacteriologist, he will develop a delight in collecting and cultivating the various chromogenic and phosphorescent microbes; and if an astronomer, he will devote his leisure moments to photographing the mountains on the moon or the spots on the sun.

在他崇拜矽藻的狂热里，他把全部的时间花在欣赏每一种矽藻，以千奇百怪的角度，替它们照相，来显现它的美丽，把这些美丽的藻类排成一个符号，甚至把它艺术化，排成一个矽藻的浮雕，甚至把它排成像盾牌一样的各式各样徽章，或者是装饰用的设计。

For some of the classes below, sections of Bagley that are especially relevant are noted.

以下一些课程会标注Bagley中有重要相关的章节。

Pathological evaluation was performed in all sections according to Banff 97 classification and based on clinical data.

对全部肾活检标本依照Banff 97分类标准进行病理诊断，并结合临床资料进行分析。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。