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On the basis of the above results of detecting methods, the instruction signal calculating circuit is designed according to i〓, i〓 calculating mode. Compensation current generating circuit is also designed and implemented. Its current following circuit is designed according to the instantaneous value comparing mode that used constant time control. The source current detection based control mode and composite control mode and their implementation are firstly introduced in our country. The method and the principle of dc side capacitor voltage control are explained clearly.

根据检测方法的研究成果,采用i〓、i〓运算方式构成并联型电力有源滤波器的指令电流运算电路;对补偿电流发生电路进行了电路设计和实施,其中电流跟踪控制电路采用电流跟随性能好、可靠性高的定时控制瞬时值比较方式;在国内首次研究并实施检测电源电流控制方式和复合控制方式;清楚地阐明了并联型电力有源滤波器直流侧电压控制的原理和方法,并在装置中实施。

So to heighten the theoretical level of controls, we have to apply some control methods which realize the stabilization of the inverted pendulum by dint of our strength.The paper is based on the double linear inverted pendulum model, after concisely introducing the development and current situation of inverted pendulum system research, the mechanism and mathematical model of inverted pendulum are presented,mathematical model of the double inverted pendulum is particularly educed.

近年来,许多学者已经应用各种各样的控制方法对倒立摆系统进行广泛地研究,尽管国内外对倒立摆的研究已有显著成果,但作者对倒立摆的研究才刚刚起步,需要在学习和总结已有经验的基础上,研究倒立摆的控制,以提高控制理论的水平。

Wavelet multi-scale analysis is applied to the research on lunar gravity field and the explanation of lunar inner structure. In this paper, the nearside of the Moon with higher quality data is chosen as the test area, and free air gravity data from "Clementine" mission are used as original data to decompose gravity of some specific mare basins. With the results of numerical test, we also explain the hierarchical structure of the Moon, analyze the thickness of mare fillings and the Moho topography under mare basins, and verify the results by comparisons.

本文将小波多尺度分析引入月球重力场的研究,选取测量数据质量较好的月球近区作为实验区域,以"Clementine"探测器获得的自由空气重力异常作为原始数据对主要月海盆地进行了局部的重力异常分解,解释了月球内部基本分层结构,并利用主要月海盆地的实验结果分析了月海下部质量异常以及莫霍面的起伏形态,与已有研究成果进行比较证明了方法的适用性及结果的合理性。

Integrating the research findings in the field of sociology and psychology and the former research foundation, the paper presents a new with aims to systematically analyze stochastic stability of symmetric coordination game (2x2) under the divergence condition.

结合社会学,心理学等研究成果及已有研究的基础,提出了新模型来系统地研究离散条件下对称协调博弈的随机稳定性,新模型增加了可操作性与实用性,便于分析演化中间状态与逆转成本的具体数量关系,能够更加容易地解释现实中许多现象。

The main achievements of the project are as follows: 1 the hypothesis that a decrease in seed mass causes an increase in mean dispersal distance has been tested based on the experiments of weed dispersal by wind. The experimental results partly support the hypothesis. The results will help farmers to make an optimal strategy of weed control; 2 a statistic method for inferring probabilistic distribution function of a random variable has been developed, by which probabilistic distribution functions of weed species dispersal have been determined; 3 the reproduction structure of Bromus sterilis has been studied; 4 a more complex CA model with 25 neighborhood cells were built, which can simulate spread of a weed population. This work promotes developments in both theory and application of CA models; 5 the "mean law" in weed control has been proposed. Accordingly, the algorism of patch spring may be calibrated; 6 the "patch" and "true patch" have been mathematically defined so that herbicide can be efficiently applied; 7 simulation validates that initial configurations of weed will affect dispersal of its population and strategies of controlling it, or its distribution patterns affect its dispersal progresses.

主要完成的工作和取得的成果有:1)用实验证实了重量较轻的杂草种子并不一定飞得比较重的远,其结果有助于农民制订杂草的优化控制策略;2)发展了一种推断随机变量分布函数的统计方法并用它来获得了几个杂草种的扩散分布函数;3)对杂草Bromus sterilis的繁殖结构进行了研究;4)建立了一个具有25邻的较复杂的能模拟杂草扩散的CA模型,并在理论和应用方面促进了CA模型的发展;5)在杂草控制方面提出了&平均法则&,据此可对按块施药方法进行校正;6)精确地定义了&块&和&真块&以便在杂草控制中能更有效地使用除草剂;7)模拟证实杂草种群的初始配置影响其扩散和控制策略,或者格局影响过程。

We organized and identified the specimens which collected in the insects specimens laboratory of life science and technology department of Xinjiang university, from almost everywhere of Xinjiang with combination of the conventional methods and the electroscopic scanning technique.

本文采用常规鉴定方法与雄性外生殖器解剖相结合,辅以扫描电镜观察,对收藏于新疆大学生命科学与技术学院昆虫室20年来积累的标本及三年在校期间系统地采集于全疆各地的拟步甲类标本进行了整理与鉴定,结合野外考察及重要类群的生物学研究,研究其区系成份,并对其区系特征及地理分布状况进行了系统的分析,主要研究成果如下:1)初步查明新疆拟步甲科昆虫共计266种,分隶于23族72属,其中35种为中国新记录种,3种为拟步甲类新种,作新种记述,并附图片;在研究过程中初步探讨了拟步甲的中文命名问题; 2)新疆拟步甲种类繁多,其区系成分分析显示,除12种为广布种以外,共有6种区系成分,其中中亚细亚种为最多,有87种,占已种的32.7﹪;其次依次为中央亚细亚种和特有种,分别为81种和65种,各占已知种类的30.5﹪和24.4﹪;泛古北种12种,占4.5﹪;欧洲西伯利亚种7种,占2.6﹪;欧洲中亚种最少,仅有2种,占0.75﹪,并根据新疆拟步甲科昆虫区系成分分析了其起源问题; 3)新疆拟步甲科昆虫的地理分布表明,分布于准噶尔盆地的种类最为丰富,计161种,占新疆已知种的60.5﹪;其次是塔里木盆地92种,占已知种的34.6﹪;东疆诸盆地63种,占23.7﹪;伊犁谷地56种,占21.1﹪;在三大山系中,天山山系的拟步甲种类最多,为54种,占20.3﹪;阿尔泰山山系28种,占10.5﹪;昆仑山山系13种,占4.9﹪。

The TECO Technology Competition on robotics this year is quite successful considering the number of teams participated. However, we expect a significant expansion of this competition next year to attract more excellent research groups. By properly protecting the intellectual right of the teams, this competition will become a very good vehicle to demonstrate the achievement of robotics research and development in Taiwan. The competition also encourages people to participate in the technology development and innovation.

期待「东元科技创意竞赛」可以有效的鼓励并吸引各界有相当研究成果的团队或个人参赛,然后在不影响参赛者的技术权力下,将结果公开并且广泛地宣传,提供各界了解台湾在机器人领域发展的情况,以提高国人兴趣,激励信心,或是更进一步地分析国内外发展情形与比较,以了解我们该发展的方向。

The TECO Technology Competition on robotics this year is quite successful considering the number of teams participated. However, we expect a significant expansion of this competition next year to attract more excellent research groups. By properly protecting the intellectual right of the teams, this competitionwill become a very good vehicle to demonstrate the achievement of robotics research and development in Taiwan.

期待「东元科技创意竞赛」可以有效的鼓励并吸引各界有相当研究成果的团队或个人参赛,然后在不影响参赛者的技术权力下,将结果公开并且广泛地宣传,提供各界了解台湾在机器人领域发展的情况,以提高国人兴趣、激励信心,或是更进一步地分析国内外发展情形与比较,以了解我们该发展的方向。

Secondly, as for the questions of relationship between man and nature, Marx considers both that of thealienation of nature and that of the personification of the natures, regarding them as a historical process, namely, the process of the aliened labor and denying of the aliened labor.

作为社会发展理论范式变革的积极成果,可持续发展理论虽然具有多方面的理论贡献,但与马克思哲学对照仍然有不足之处:(1)马克思哲学的社会发展理论反对不加区别地谈论社会和社会发展,强调发展的历史性。但是,可持续发展理论并没有澄清自身框架中发展的基本性质,而是无批判地接受了由国民经济学、传统发展理论肯定的那种性质的发展,即资本关系中的发展。

Gigantic carcasses of dinosaurs and mastodons which roamed the earth long before man appeared, with his tiny stature and powerful brain, to conquer the animal kingdom; realistic presentations of the processes of development in animals, in man, and in the implements which man has used to fashion for himself a secure home on this planet; and a thousand and one other aspects of natural history.

我不知道这篇文章的多少读者看过这个生动的博物馆所展示的逼真事物的壮观景貌。当然有许多人没有机会,但是我相信,有许多人确有机会而没有利用。那里,确是利用你的眼睛的地方,你们能看见的人能在那里度过许多成果丰硕的日子,可是我只有想象的3天可见的时间,只能是仓促地一瞥,匆匆而过。

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推荐网络例句

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。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。