下模

Used FEM model of ZS250GS motorcycle has been set up. Inherent frequency, vibration mode and syntonic response of the motorcycle have been analyzed.

建立了ZS250GS型摩托车整车的有限元分析模型，进行了固有频率、模态、发动机刚性和弹性悬挂下的谐响应分析。

In this paper,we mainly make a deep and systematic study of sample path prop-erties for high and infinite dimensional Gaussian processes,especially for high andinfinite dimensional Wiener process in stronger norm-Holder norm than ever(everbefore,there used to be uniform norm and the process was limited to one dimen-sion).We not only deal with all kinds of functional moduli of continuity,but alsoconcern with different forms of functional limit theorems of C-R increments.

本文主要对高维的以至无穷维的Gauss过程、特别是Wiener过程的样本轨道性质在较以往更强的范数—〓范数下作了系统深入的研究（以往通常采用一致范数，过程限于一维），研究的内容不仅包括各种形式的泛函连续模，而且还包括各种形式的C-R增量的泛函极限定理。

The unstable mode is not sensitive to the ion temperature gradient parameter and the poloidal wavelength.

高比压下的不稳定模对离子温度梯度和角向波长的变化的响应减弱。

As for models of hydraulic behavior, this paper makes a thorough study on aperture of rock joins、the number of open cracks after heating in rock mass、the fracture interconnectivity、tectonic stresses、the dilation due to shear sliding and chemical composition, and utilize fluid permeability tensor proposed by Oda, the tensor field of permeability in the fracture rock mass with coupled THM properties is derived.

在裂隙岩体力学模型方面，利用0'Connell建立的干裂隙岩体等效弹性模量与岩石模量的关系式，并由式中的裂隙密度概念意义，建立了温度作用下的裂隙密度与Oda提出的裂隙张量之间的关系式。

Nonuniform sampling can acquire signal of which the frequency exceeds the threshold in Nyquist theorem when the sample rate of analogue-to-digital device is lower than usual.

非均匀采样可以在对模数转化器件的采样频率要求较低的情况下，提取超出Nyquist采样定理限制的频率。

And modified lead-based perovskites with larger tolerance factor, have less anharmonic coefficient with low frequency polar mode.

改性铅基钙钛矿因为在极化模低频化的同时有更小的非谐性系数，所以能在更大许容因子的情况下获得近零谐振频率温度系数，同时保持高介电常数。

The results showed when the mass fraction of DBDPO/Sb2O3 composite flame retardant was 8%,the flame retardacy of the system came up to UL94 V0;when the adding amounts of tougheners were the same,the toughening effects of tougheners were as follows:POE-MAH PET/montmorillonite ; Flame Retardation ; Glass Fiber Reinforcement ; Toughener ; Compounding ; Mechanical Properties

中国纺织科学院采用插层聚合法制备了PET/层状硅酸盐纳米工程塑料，并获国家专利[1]。利用PET/蒙脱土层状硅酸盐为基体树脂，通过添加玻纤、阻燃剂、增韧剂制备可在低模温下成型的PET/蒙脱土玻纤增强阻燃工程塑料，解

Beginning with wave equation, the paper has deduced the propagation of gauss pulses in single mode fiber and fiber grating transmission compensation. The characteristics of cascaded phase-shift gratings are discussed by numerical simulations of coupled-mode theory and T-matrix method. The experimental works and measurement results are shown in this paper. On the other hand, we have introduced the basic theory of EDFA and figured out the characteristics for EDFA at different conditions by numerical simulation. Some experimental results for EDFA are also presented here. In this article, you can find the influence on Optical Fiber Amplifier by Gain Tilt, especially, the negative effect on CSO in CATV transmission system.

论文首先从波动方程入手，对高斯脉冲在单模光纤中的传播演化及光纤光栅透射补偿进行了详细的研究；较系统地介绍了光纤光栅的耦合模理论，并将传输矩阵计算法用于计算级连相移光纤光栅的光学特性；重点介绍了作者在光纤光栅刻制及特性测量方面所做的一些实验研究工作；较系统介绍了EDFA的基本理论，计算出各种条件下EDFA的光学特性，并进行了一些实验研究；综合分析光纤放大器对光纤传输系统的影响，特别分析了光纤放大器增益不平坦对光纤CATV系统中CSO恶化的原因及其解决方法，并研究了光纤布拉格光栅在稳定980nm泵浦源输出功率和输出波长方面的应用；结合一个基于光纤光栅和光纤放大器的光纤用户接入网方案，对光纤用户接入网的若干问题进行了理论与初步的实验研究。

Its acoustic radiation by axis excitation, transverse excitation and their combination and their frequency-response function from 0~2kHz by the step of 2Hz are evaluated, and its modal analysis of structural-acoustic coupling is performed. Some conclusions are obtained.

主要研究了航行器在几个频率点的轴向激励、侧向激励以及它们的组合的声辐射；计算了这几种激励下0~2kHz的频率响应函数；进行了声振耦合的模态分析；探讨了肋对航行器声辐射特征的影响。

This paper mainly focused on some basic research as follows:(1) ANSYS finite element calculation software and the APDL design language were used to set up two model structures—the reinforced concrete floor model and the prestressed space composite trass model.

本文就该结构做了以下几点基础性研究工作：(1)利用ANSYS有限元分析软件和APDL参数设计语言建立了两个模型：钢筋混凝土楼板模型和预应力空间组合结构模型，对楼板模型和预应力空间组合结构模型分别进行了非线性静力分析，模态分析和竖向动力荷载下的非线性瞬态分析，并对两种结构的力学行为做了比较，得到了一些初步结论。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。