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Finally, it studies the tropism between them. 1 the groups in the class form the state of mutual tolerance, aid and improvement, consequently the composition of forces of the collective construction. 2 find the sources of informal groups in the classes and form the properties of collective construction.

最后，本文对二者关系的应然取向作了一定的推论：1班级中的正式群体与非正式群体形成相容、相辅、相促的局面，形成班集体建设的合力；2利用班级中的非正式群体资源，形成班集体建设的个性。

With the aid of noise reduction, color threshold segmentation and center point computation and so on, the landmarks in the panoramic image were recognized. By using triangulation method, the robots position was obtained, which was a good basis for the navigation and the collision of robot.

通过去除全景图像的噪声、分割颜色阈值、计算中心点等处理，识别出机器人周围景物的已知路标，采用三角定位法，计算出机器人的坐标，从而为机器人的导航、避碰等任务奠定良好的基础。

With the aid of noise reduction, color threshold segmentation and center point computation and so on, the landmarks in the panoramic image were recognized. By using triangulation method, the robot's position was obtained, which was a good basis for the navigation and the collision of robot.

通过去除全景图像的噪声、分割颜色阈值、计算中心点等处理，识别出机器人周围景物的已知路标，采用三角定位法，计算出机器人的坐标，从而为机器人的导航、避碰等任务奠定良好的基础。

The theory of "harmonious forest farm" reckons that:①State-owned forest farm is an exoteric complex-system, which is the coupling of forest ecosystem, forestry economic system, and social system in forest farm;②Harmonious forest farm is the farm constructed under the background of socialist market economy and building a moderately prosperous society;③The features of "harmonious forest farm" are the development of production, the prosperity of life and good ecological environment;This farm is a modern state-owned forest farm, the symbols of which are the high value of itself, the good benefits of wokers and the abundance of forest resources;④The key of it is the harmony of farm and society, farm and environment as well as farmitself——that is to say,"harmonious forest farm" should aim to meet the needs of the country and thesociety; forest management should put maintaining and enhancing biodiversity, forest ecosystem health and integrity to the center; inside the forest farm, there should form the mechanism of balancing interests and learning mechanism for sharing at the core of the executive feedback mechanism of forest management, advancing the workers to form a comradely mutual aid relationship.

其要点是：①国有林场是开放的复杂系统，它由森林生态系统、林业经济系统、林场社会系统耦合而成；②和谐林场是在社会主义市场经济和全面建设小康社会背景下建设的林场；③和谐林场是以生产发展、生活富裕、生态良好为特征，以国有林场价值高、林场职工福利好、森林资源丰富为标志的现代国有林场；④和谐林场的关键是要求林场与社会、林场与环境以及林场自身达到和谐，即"和谐林场"必须以满足国家与社会的需求为目的，在森林资源经营上，始终以维持与提高生物多样性、森林生态系统的健康与完整为中心，在林场内部形成以森林经营方案执行反馈机制为核心的利益均衡机制和学习共享机制，促进林场干部职工形成同志式互助关系。

I too will write them conciliatory words and offer dignities and gifts, so that they may be an aid to me.

我也要用委婉的言辞，许以地位和礼品，给他们写信，诱导他们也作我的助手。

By a similar process, with the aid of a concordance, it could be proved that every Epistle of St.

由一个类似的过程，借助一个语词，它可以证明，每书信的圣保禄有一个外观

One or two instances will show how such objections may readily be solved, with the aid of a concordance.

一个或两个例子显示如何将这种反对可能会随时得到解决，与援助的和谐。

On the basis of the data obtained from the field observations and wind-tunnel modelling, the calculations and comparisons on probability distribution and density, linear correlation analysis of time series, conditional probability density and so on of wind speeds and directions between various sites are made with the aid of statistical analysis of time series, and changes of these variables with height and representativeness of observation period of meteorological data are also discussed.

本文以现场气象观测和风洞模拟实验数据为基础，通过对时间序列进行的统计分析，计算和比较了各个厂址风速、风向的概率分布、概率密度、时间序列线性相关分析、条件概率密度等，还对它们随高度的变化情况、观测时段代表性等问题进行了讨论。

If aid satisfies basic governance conditionality and is directed at these vital areas, Africa will have a far greater chance of progressing.

如果援助能在满足基本治理条件的同时投向这些关键领域，推动非洲发展的可能性将会大得多。

There was also the aid of one of the Confederation which worked with those of Mars in making the transition.

也有一个联邦成员与火星实体工作，在他们的过渡时期给予帮助。

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。