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Based on the modem FEM with the dynamic substructure method, itd dynamic equation is established with almost no limits to DOFs of the system, in which the left side is the first approach of the nonlinear system and the right side is the excitation and coupling nonlinear pseudo forces. The modal analysis method is used to get the eigen solution to the reduced linear homogeneous dynamic differential equation. When the system is excited by the harmonic excitation at the right side of the equation, the nonlinear dynamic response can be calculated by the numerical method to give quantitative analysis.

基于近代有限元和子结构模态综合法的动力学建模方法，获得非线性系统动力学微分方程，其自由度几乎没有限制，对左端首次近似齐次方程进行模态分析，选取对响应有贡献的部分本征对，同样对右端激励和非线性伪力作模态变换，得到减缩后非线性系统耦合动力学微分方程。

The model has overlay and index method as the basic, mathematical model and statistical method embedded to form an integrated model. The HYDRUS model is performed to obtain the rating system, and principal component analysis and factor analysis are used to get the weighting system.

该模型以参数系统法为基础，将数学模型和统计方法嵌入该综合模型中，通过HYDRUS模型进行数值模拟来建立评价因子的评分体系，权重体系由主成分－因子分析法得到。

The Sage of Omaha railed against the pointlessness of much of the work done by audit committees (while joking that he does not get asked onto compensation committees because they prefer Cocker Spaniels to Dobermans). Mr Immelt chose to focus on the incomprehensibility of accounting rules. Mr Greenspan mused on the inherent inflexibility of financial regulation. Mr Levitt, a former head of the Securities and Exchange Commission, and Mr Rubin, who used to have Mr Paulson's job, sparred over the class-action culture, the former seeing it as broadly good for investors, the latter as bad for everyone except lawyers. Mr Bloomberg, the mayor of New York, bemoaned America's restrictive visa policy, which is depriving financial firms of talent.

奥马哈圣人对审计委员会无意义的工作颇有微词；伊梅尔特关注不可思议的会计制度；格林斯潘陷入了对固有金融规律的沉思；美国证券交易委员会前主席利维特和前美国财长鲁宾则对证券集体诉讼文化争论不已，前者认为这有益于投资者，后者表示出了律师都是输家；纽约市长彭博哀叹剥夺金融公司潜能的信用卡限制政策。

Carbon nanotubes are used to solve this problem effectively in this project. As controlled DC voltage is applied to the CNTs electrode, the sharp tips of CNTs can generate high electric fields, so it was easy to ionize gas and get larger current at lower voltages.

纳米碳管的出现有效地解决了该问题，在外加直流电压激励下，纳米碳管的尖端会形成很强的非均匀电场，在电压相对较低的情况下能很容易地电离气体且获得较大的放电电流。

He even used leprechaun gold to pay off witches, wizards, and a few goblins to whom he owed money and spent quite a bit of time after the World Cup trying to avoid his angry creditors, among them Fred and George Weasley, who spent most of the 1994-5 school year trying to get Ludo to pay up.

在世界杯结束后的一段时间里，他销声匿迹了一阵子，始终不敢面对那些愤怒的债主。这些人中就有弗雷德和乔治，1994至1995年的在校期间，他们花了大部分的时间来向卢多讨债。

First, the original image is binarized and the noise is removed to get the target area. Then the "matchstick model" is built up. This model is used to make horizontal tilt correction to the image.

首先将原图像二值化，对该区域进行去噪处理，获取目标区域，然后构建"火柴棒"模型，再采用该模型对图像进行水平倾斜矫正。

To avoid the influence of head position change and to overlap and compare the changing hard tissue under the skull reference system, this work set up a three-dimensional reference frame, which was based on point"S'"(the median point of the upper rear brim of the anterior wall of pituitary fossa), point"Na"and point"Ba"and of which point"S"is origin. UNISIGHT is used to get the original coordinates of all the landmarks in the MPR phase.

为消除矫治前后患者头位变化的影响，使治疗前后变化的上下颌骨和牙列以相对不变的颅底结构作为参照系统进行影像的重叠和对比，本研究通过头颅内的固有标志点S'，N，Ba三点确定了参考平面，建立了以S'点为原点的测量三维坐标系。

According to the evaporation equation, the evaporation degree of aerosol particles reaching ICP can be simulated, then we can get the value of useful mass transport rate, Wu, which is difficult to be gotten from experiment and can be used to assess the analytical performance and to optimize the operating parameters, such as solution and gas flow rate and the configurations of the nebulizer.

根据蒸发方程，可以模拟进入ICP的气溶胶粒子蒸发的程度，从而计算出实验上很难测定的有用质量传输速率Wu。本文通过Monte Carlo方法模拟了不同浓度的溶液、不同溶剂以及不同的载气流量、进样速度和雾化器的结构尺寸等变化对Wu的影响情况，并与实验结果进行比较，证明了模拟结果的可靠性，并依此选择最佳操作条件和雾化器的结构尺寸。

It used to be that the goal in econometric work was to get results that were statistically significant, to reject the null hypothesis.

以前，计量经济学的目标，是找到一个具有统计显著性的结论，排除掉"零假设"。

In this outlook of this dissertation, the primary idea is to extend the Helmholtz"s theorem to get the complete projection theorem of electromagnetic fields in vector wave space—the extend of the Helmholtz"s theorem which can be used to study the eigenvalue problem of the vector partial differential operator.

在论文的展望中，将亥姆霍兹定理进行推广，得到了电磁场在矢量波空间的完全射影定理即推广的亥姆霍兹定理，由此可以研究基于矢量偏微分算子的电磁场的本征问题。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。