查询词典 the limit

This article use the improved integral inequalities with the deviate variable and some skills of inequalities as well as related knowledge about second-order differential equation,to obtain the following results: the classification of limit point case or limit circle case and boundedness for second order differential or difference equation with deviative variable,discussed the classification for certain n-order differential equations,Criteria for the classification of second order differential equation with deviative variable.

本文利用推广的具有偏差变元的积分不等式，结合不等式的一些技巧以及常微分方程的相关知识对一类二阶具有偏差变元的微分方程及一类二阶差分方程极限圆型的分类问题作了相关的研究工作，并且讨论了一类n阶具有偏差变元的常微分方程解的平方可积性与有界性和一类二阶非线性具有偏差变元的微分方程解的有界性。

Limit is the soul of differential calculus, limits' calculation is an important content of the limit theory.

极限是微分学的灵魂，极限的计算是极限理论的重要内容。

The main objective of this paper is to extend and complete the Sims limit-point, limit-circle classification on second order linear differential equations with a complex coefficient , and to study its Weyl function and Weyl solution , then we obtain some new results.

本文的主要目的是推广和完善Sims关于复系数二阶微分方程的极限点和极限圆理论，并且研究了它的Weyl函数和Weyl解，得到了一些新的结论。

Financial stocks Tuesday in direct or close to the limit in order to limit the opening movement, destruction of the market is very strong.

金融类股在直接或接近限额，以限制的开放的环境下，周二市场的破坏是非常强烈。

Of course, after the relaxation of the policy is bound to increase direct some of the constraints, decentralization, a clear direct constraints, which limit the repurchase price, the time limit.

当然，在这项政策的放宽，势必增加直接的一些制约因素，权力下放，明确直接的制约，这限制了回购价格，时限。

Limit direct sun exposure during midday: Another way to limit exposure to UV light is to avoid being outdoors in intense sunlight too long.

限制直接暴露于太阳在正午：另一种方式来限制暴露于紫外线灯，以避免在户外强烈阳光下太久。

Elastic Limit, Apparent—Arbitrary approximation of the elastic limit of materials that do

表观弹性极限—应力-应变曲线中没有明显线性段的材料的弹性极限的近似值，它等

The capacity of accommodating elastic strain energy for a solid material has an upper limit N〓 and low limit N〓.

变形固体存储弹性应变能的能力有一个上限值N〓和下限值N〓。

The usually used electron-transporting materials have disadvantages.They can be easily formed crystal,have lower electron affinity,a narrow gap and difficult to limit the complex exciton to the luminescence layer,all of these disadvantages limit,their application.

有机电致发光材料中常用的电子传输材料容易结晶和低的电子亲和性限制了它的应用；并且能隙较窄，难以将复合激子限制在发光层。

Speckle is also the fundamental uncertainty factor in this kind of sensors. The analytic expression of centroid uncertainty limit is derived from the statistic of laser speckle, and it is shown that the uncertainty limit in RST, and also in anamorphic triangulation, is dependent on the solid angle subtended by entrance pupil as seen from the illuminated laser spot, the triangulation angle, as well as the laser wavelength. The influence of aberration of optical system and surface roughness are also discussed.(4) A method of getting the 3D edge characters based on the integrated vision system is studied.

重点研究了RST中的激光散斑现象，从散斑统计学的角度，首次推导了激光散斑引起的旋转对称三角法位移测量不确定度的极限，结果表明在光学粗糙表面上，该极限由投射激光波长，光学系统入瞳对投射光斑所张的立体角，以及光学系统主光轴与旋转轴的夹角确定；这一结论同样适用于其他变形成像的激光三角法。4基于RST的工作方式，研究了利用集成视觉系统的扫描移动来获得被测物体的低分辨率三维信息的方法。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。