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A high residual magnetic induction was obtained for the samples with a"knee point"located at a large magnetization site and a large curvature of circular segment on the magnetization curves.

磁化曲线上"膝点"位置较高及圆弧段曲率较大的合金具有较大的剩余磁感应强度。

Spruce Tree House is the easiest cliff dwelling to visit. The path curves down into the valley and then up to the ruin.

云杉屋是最容易参观的崖居，通往云杉屋的道路蜿蜒曲折而下到峡谷，然后向上到达这个崖居。

Researches show that the drive force characteristics of the electric tractor drive system based on series DC motor is close the ideal characteristics, the curves are concave, low speed with constant power, and high speed with constant torque; the electric tractor has large working speed under different shifts, but the extensive coincidence speed shows that the variable ratio of the gear is unreasonable; the maximum climbable gradient of this electric tractor is more than 30%, and does not need frequent shift when working for its extensive climbable gradient; there are many influence factors of continuous working time, which the more obvious factors are working speed and working load, the working time increases with the increase of the working speed and working load.2. Simulation researches on the drive characteristic of the electric tractor.

研究结果表明：基于串励直流电动机(来源：ABC21论文网www.abclunwen.com)的电动拖拉机电驱动系统的驱动力特性场接近理想驱动力特性场，其各挡下的驱动力特性是一组下凹的曲线，低速恒转矩，高速恒功率；同一行驶速度下所对应高挡驱动力大于低挡驱动力，这是由电机的调速特性决定的；电动拖拉机各个挡位下具有较广的稳定作业速度范围，但是各个挡位之间速度重合的范围较多，说明所用变速箱变速比与电动机匹配不合理；电动拖拉机最大爬坡度达到30%以上，并且各挡爬坡度变化范围较广，作业过程中不需要频繁换挡；影响电动拖拉机连续作业时间的因素较多，其中作业行驶速度和作业负荷影响最为明显，作业负荷越大，连续作业时间就越短，作业速度越快，连续作业时间就越短。2、电动拖拉机驱动特性仿真研究。

In flat space, it is not possible to close curves and go back in time.

在平板的空间，这是不可能的密切曲线和返回的时间。

This paper,representing the mathematical restrictions equation on modified gear in the form that is convenient to plot the curves,the electronic closed graph has been completed in VC++ which is an object-oriented visualization programming language.

该方法只需设计者按要求输入相关的设计参数，就能很快生成所需的封闭图，使齿轮变位的设计变得简单、快捷。

We propose a closed surface parametrization method based on a new theory of curves and surfaces.

曲线曲面是计算机图形学和计算机辅助几何设计中的基本研究对象。

Inspired by the loop shaping theory, a new control algorithm called closed-loop gain shaping is presented. This is based on the observation on the characteristics of the singular value curves of H〓 S/T complex sensitivity functions as well as on the correlativity between S and T.

受到回路成形思想的启发，通过对H〓控制的S/T混合灵敏度奇异值曲线的观察及基于S和T具有相关性的考虑给出一种新的基于闭环增益成形的控制算法。

4 Introduced a circular arc and the double clothoid curves in the vicinity of corners to obtain a smooth tracking motion in robotic applications.

2-4 介绍了圆弧和双clothoid曲线附近的角落获得顺利跟踪运动的机器人应用。

Later, Kanayama and Miyake [5] substituted sharp corners with double clothoid curves in order to smoothen the motion transition when tracking corners for a mobile robot.

后来，金山和宅[ 5 ]取代大幅角落双clothoid曲线，以便顺利过渡的动议时，跟踪弯道的移动机器人。

Planar discrete clothoid splines and discrete clothoid spline surfaces of Schneider and Kobbelt are just constructed by assuming that the curvature of the curves or surfaces is piecewise linearly distributed.

Schneider和Kobbelt的平面离散布状样条曲线和封闭控制网格上的离散布状样条曲面正是利用曲率逐段或逐片线性分布构造出来的。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。