模

On the basis of analysis of the design of sliding surface, some defects of the conventional methods are stated.

在分析滑模平面设计的基础上，指出了按传统的方法设计的滑模平面的缺陷。

This method and the condition of sliding mode are investigated and the stablity of sliding mode is analyzed.

文章讨论了这种设计方法以及滑模存在的条件，并分析了滑模运动的稳定性。

By studying the laterally forced slosh of the liquid in a cylindrical container based on the new eigen-modes, a characteristic of modes-choosing was found.

运用新的重构模态来研究圆柱贮箱中液体的横向受迫晃动，给出了其模态选择特征。

Indian Sorrel The Indian Sorrel has outstanding properties in the treatment of a number of eye problems.

印度酸模（草corniculata ）印度酸模，具有优异的性能，在治疗一些眼科问题。

Three dimension metal plastic deformation of special shaped products was transformed into two dimension axis symmetry problem, analysis model of the continuous stream and strain rate fields were sough.

将三维金属异型材挤压塑性成形问题转化为二维轴对称成形问题，求解椭圆异型挤压金属塑性成形连续流动场和应变速度场的数学解析模型，并应用金属塑性成形理论，建立了精密挤压异型材优化模腔的数学模型，同时为精密快速地实现挤压模腔的CAD/CAM一体化目标提供了技术支持。

The results showed that the sphericity was approximately 0.42 μm,and the average surface roughnesses were 105.7,12.2,6.2 and 18.25 nm corresponding to the mode number in the range of 2~10,11~50,51~100,and 101~1000,respectively.

结果表明：其球度值为0.42μm；模数范围为2～10，11～50，51～100及101～1 000对应的表面粗糙度值平均为105.7，12.2，6.2，18.25nm；并得出了平均1维功率谱-模数关系曲线。

The flexural strength of this spicule is 394.34GPa, the flexural modulus increases with the growth direction of rounds.

这种骨针的弯曲强度为394.34GPa，弯曲模量随生长环带由中心向外逐渐增大；截面硬度为2.933GPa，截面杨氏模量为33.308GPa。

The results show that the original single-mode fiber become a multimode waveguide. The fused tapered fiber was fabricated by using the flame of a spirit lamp. If controlling the fiber dimension well during pull process, the unique tapered fiber will has a multimode input end and a single mode output end for launching wavelength 632.8nm, which was observed in our experiment.

实验上，利用火焰熔融法制作了拉锥光纤，采用0.633um的He-Ne激光作发射光源，通过控制拉锥后的光纤尺寸，得到了0.633um波长下的多模输入和单模输出，观测了拉锥前后的模场分布。

A model of continuous beam with spring supports is put forward to analyse time-dependent structural systems.

针对施工期现浇钢筋混凝土结构的时变性，定义楼板刚度与模板支撑的刚度比为施工时变结构体系的弹性特征值，建立了以施工时变结构体系弹性特征值为参数的现浇钢筋混凝土结构施工受力性能分析的弹性支撑连续梁模型，基于该模型，分析了施工期现浇钢筋混凝土结构的受力特性，发现在特定施工方案下，当施工时变结构体系的弹性特征值较小时，最大施工荷载出现的楼层位置会提前，而拆模时间也会改变最大施工荷载出现楼层的位置；施工时变结构体系的弹性特征值和拆模时间都影响楼层承担的最大施工荷载比率(荷载比率定义为结构承担荷载与楼板自重的比值)；施工期楼层承担的最大施工荷载随楼层位置呈现波动特性，随楼层位置增高波幅逐渐减小，最后趋于稳定。

First, a switching function is designed to guarantee that the movement of the system is asymptotically stable in the switching manifold. And the equation of the switching surface is given based on pole assignment theorem; Then a discrete robust adaptive quasi-sliding-mode tracking controller is presented by constructing the two adaptive gains, and the globally asymptotically stability of the system is proved based on the Lyapunov-Razumikhin stability theorem.

首先，利用广义系统的概念给出了系数矩阵为能控标准型的滑模面方程，并利用极点配置定理给出了能使系统稳定的滑模面；其次，构造了含有自适应律的离散趋近律，设计了能够使系统达到同步的变结构控制器，并利用Lyapunov稳定性定理，证明了系统的趋近运动的稳定性。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失