點對群 的英文怎麼說
中文拼音 [diǎnduìqún]
點對群
英文
point symmetry groups-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。( 2 ) two pair of allel population to two pair allel population, every locus ' s entropy and population entropy were set up
（ 2 ）兩對等位基因群體對兩對等位基因群體，建立了各位點熵，群體熵。Is erected herein. a study of these brachiopod fossils demonstrates that the chengjiang lagerstatte has the potential to elucidate the character acquisition and character evolution of brachiopod in the early cambrian and to explore the earliest phanerozoic diversification of brachiopoda
筆者在前人工作的基礎上，基於大量的野外觀察和室內整理，重點對澄江化石群中腕足動物的形態解剖和生態做出了進一步的解釋和補充。How to improve the performance of communication, including point - to - point communication and collective communication, is the key technique to make cluster computing applicable
集群計算要達到實用化，首先需要解決的關鍵技術是提高通訊性能，包括點對點通訊和全局通訊的性能。Thereby, a critical analysis of communalism via philosophical viewpoints of marxism can both deepen our understanding of communalism, and help us to take in the rational core of communalism, which helps t. lot to enrich and develop marxist philosophy
因而，運用馬克思主義哲學觀點對社群主義進行批判地分析，既可以加深我們對社群主義的深刻理解，又可以吸的社群思想的合理內核于自身，這對馬克思主義哲學的豐富和發展將不無益處。In ciefcm, a tiny disturbance was added to filial generation group by using chaos variable and the disturbance amplitude was adjusted step by step, which greatly improves the colony diversity of immune evolution algorithm ( tea )
該演算法把混沌變量加載于免疫演算法的變量群體中，利用混沌搜索的特點對群體進行微小擾動並逐步調整擾動幅度，明顯改善了免疫演算法的群體多樣性。Point to multipoint group call ptm - g
點對多點群呼The results about recreational activities showed that humanistic scenic sites, such as zhude tablet pavilion, chu tiantai, attracted tourists from outside of wuhan, whose tourists spent more time than in other scenic sites, aged from 15 to 25 years
遊憩活動研究結果表明，朱碑亭、楚天臺等人文建築景點，對外地遊人吸引力較大，其遊客構成以15 - 25歲年齡段人群居多，遊客停留時間也較長。Chapter three author aimming at the blank of study on the inrollment policy of the higher education for minorities tries to probe theoretically into it from the perspective of the cause of minority student achieveinent higher educational function and educational policy, and to define the essence principle and foundadion of this policy, firstly, auther wants to show that the root to implementing this policy bases on minority history earth instance and cultural speciality by analyzing the cause of minority students low achievement, secondly, by the perspective perspective of higher educational function, author tries to show the important role of higher education to socialize minority students in case they are peripheried, to inherit and improve minority culture, in order to define that this policy is an important political mechanism to safeguard minority " s educational right and educational equality, thirdly, there are two points to be showed by discussing with the perspective of educational policy : the inrollment policy of the higher education for minorities is complexity and it is restricted and influenced easily by correlative mechanism because it involves virtuely in educational problem ethical problem and policy problem, on the other hand, the inrollment policy of the higher education for minorities don " t violate the principle of individual equality, instead, it carries out certain policy for some groups basing on the principle of the individual equality
一、通過對少數民族學生低學業成就的歸因分析，論述少數民族高等教育招生政策實施依據是少數民族歷史發展、現實狀況和文化特殊性。二、通過高等教育功能視角的探討，論述高等教育對少數民族學生的進一步社會化，避免少數民族個體被邊緣化的意義，以及高等教育對少數民族繼承、發展民族文化的意義，明確少數民族高等教育招生政策是保障少數民族高等教育權利、保證教育公平的一項重要的「政治機制」 。三、通過教育政策視角的探討，主要有兩方面內容，一是由教育政策的特點，論述少數民族高等教育招生政策實質上是集教育問題、民族問題和政策問題於一身，這使它的運行具有復雜性，它更易受其它相關機制的制約和影響;二是通過教育政策價值取向的探討，論述少數民族高等教育招生政策雖以一定群體為實施的對象，但並不違背個體平等原則，它是立足於個體平等的基礎上，依據能力選拔的原則，針對群體差異客觀存在的現實，對一定群體實施的一定「優惠政策」 ，以保證處於弱勢地位群體的權利，從而真正實現個體的平等。The flyers are finding long long lines at security checkpoints and canceled flights
飛行員們在安檢點對排著長隊的人群進行檢查並取消航班。In this article, we use idea of turning dispersion into convergence and put all the well ' s points into the same unit net to think about it. and answer three questions of the distribution of well drilling by the way of searching for groups of points. fincite - step - searching underthe condition of translationg fcoordinate system or revolving coordinate system. to first question. we find two algo - rithms and make use of data that is given to find the solution. we seek coorlinate of net point is co. 361, 0. 461 ) and mostly four old well ' s points are utilized at the same time by first algorithim, which are no. 2, no, 4, no. 5, no. 10. by second algorithm, we rechon the coordinate of net point is co. 390, 0. 505 ). and that mostly four old well ' s points are utilizld which are no. 2, no. 4, no. 10. to second question, we turn it into the first question by angling awt the center of net point. we seek that mostly six old well ' s points are utilized at the same time, which are no. 1, no. 6, no. 7, no. 8, no. 9, no. 11, when net is angled 0. 78 radian. and net point is translated to ( 0. 75, 0. 076 ) ( at nwe coordinate system ). to third question, wefind a necessary and sufficient condition and affer algorithms, at last, we analyse algorithms
運用化分散為集中的思想，把所有的井點都放在同一個單位網格內考慮.在坐標可平移、旋轉的條件下，利用尋找點群、有限步驟搜索法，對鉆井布局的三個問題進行了解答.對問題一，給出了兩個不同演算法.並對題目提供的數據進行了求解，演算法1得到的結點為（ 0 . 361 ， 0 . 461 ） ，最多有4個舊井點被同時利用，它們是第2 、 4 、 5 、 10個井點;演算法2得到的結點為（ 0 . 390 ， 0 . 505 ） ，最多有4個井點被利用，它們是第2 、 4 、 5 、 10個井點.對問題二，以結點為中心旋轉一定的角度后，歸結為問題一進行求解，求解結果為當網格傾斜角為0 . 78弧度（相對原坐標系） ，結點平移到（ 0 . 75 ， 0 . 076 ）點（在新坐標系下） ，可被同時利用的最多舊井點為6個，它們是第1 、 6 、 7 、 8 、 9 、 11個井點，對問題三，我們給出了充要條件，並給出了演算法.最後還分析了演算法的優劣性Patterns of manchu culture is divided into an introduction and eight chapters, these contents include as follows : the houses of manchu families and their surroundings, the structure of rooms and their furnishings, own their characteristics, and they give the important influences in the behaviors, mentality, concept of value of manchu people, in men environment, manchu people highly value the groups, pay attention to the differences between ourselves and strangers, hygiene, open to the community, value public opinions, and broadly admitting the new members and forgive others
） uwenimuru ）共分八章，其中包含的主要觀點如下：滿族家庭的住宅結構、房間配置和環境的特點，對滿族人的行為方式、心理意識、價值觀念有很大影響，在這樣的環境中，滿族形成了重視群體的意識、內外有別意識、衛生意識、社會開放心理、公共監督意識、包容與吸納心理。Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction
首先結合pcnn的同步脈沖發放和側抑制特性，提出了基於改進型pcnn的圖像凹點檢測演算法，該演算法是一種自適應而有效的圖像凹點檢測方法，並且較好地模擬了人類視覺系統；然後，結合信息傳遞和信息耦合特性，將pcnn擴展成pcnns （ pcnn網路群） ，提出了一種基於pcnns的圖像融合演算法，能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中，有效模擬了人類視覺系統；另外，結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性，開拓地將pcnn用於模式分類中，提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法，前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類，而後者能夠消除訓練樣本中刺點對分類的影響；最後，結合累積差分圖像思想、 pcnn波的形成與傳播特性，通過各神經元之間連接取向來選擇與控制自動波的流向，將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。The main part and key technique of the cpa system is study : the generation of the femtosecond laser pulse is study, the modulation and maintenance of the ti : s laser is learned ; the types of the measurement for ultrashort laser pulse is generalized and the interferometric autocorrelation is expatiated ; the varieties of the stretchers is sum up and aberration - free stretcher is calculated and optimized to improve the stretching ratio ; the pulse selection is analyzed and a single pulse can be selected successful from the pulse train at a repetition rate of 82mhz ; the kinds of the amplifier in cpa system is gathered up, the eight - pass pre - amplifier and a good many effects in it is investigated. finally, the second, third and fourth - order dispersions in cpa system is analyzed systemicly, and the according means for dispersion compensation is worked out
對cpa系統的主要環節及關鍵技術進行了研究：掌握了鈦寶石激光器的調節和維護技術，較深入地研究了飛秒激光脈沖產生的機理，其中對群速色散、自相位調制、自鎖模等問題進行了詳盡的分析；總結了超短激光脈沖的測量技術，重點研究了干涉自相關測量法；在總結展寬器類型的基礎上，對無象差展寬器進行了理論計算、優化設計，提高了展寬倍數；深入論述了脈沖列的選單問題，熟練掌握了脈沖選單技術。With the diminishing marginal utility, the point of tangency may run to the area far to the central city. through the statistics and analysis, we find out that there are several characteristics in the central city tourism market : ( 1 ) the city tourists tour at weekends and gold weeks, and they want to buy such tourism products as " safe, convenience, short range and cheap ". ( 2 ) they tour by car or by themselves not go with tour team, ( 3 ) and stay out for zero to two nights
本文重點對中心城市居民出遊市場進行了統計分析，通過分析發現中心城市出遊市場總體表現出以下特點： （ 1 ）城市居民外出旅遊時間除黃金周以外，主要集中在周末，其時間約束型的旅遊產品需求以「安、近、短、廉」為特徵的旅遊產品為主； （ 2 ）出遊方式以自駕車和自主安排為主，團隊遊客的比例在逐步下降； （ 3 ）出遊逗留時間以在外逗留0 ? 2夜為主； （ 4 ）城市居民出遊人群中女性比例高於男性； （ 5 ）出遊目的以近距離觀光、休閑為主，但度假市場正在蓬勃發展，現在中心城市周邊新興的「農家樂」就是度假旅遊的雛形和低級形式； （ 6 ）中心城市銀發市場和教師、學生市場是兩個原來被忽視卻孕育著巨大潛力的細分市場。It takes good use of these two numerical computation methods merits and it is valuable for defmiting the computation model of pile ? oil ; at the same time, it builds the computation model of compound pile foundation and uses the software ansys which is about finite element to build the mechanics model. in regular quality soil, the result worked by this way has good unanimity with traditional results, so it applies us strong evidence for using the way which this article tells us to solve problems which is difficult to handle in compound pile foundation, such as irregular quality, layer quality of the soil. at last, taking foundation soil ' s measuring data of liaoning technology university ' s test building for example, and using the way this article tells us to build compution module, we solve the sharing ration of pile and loading board
本文利用有限元與邊界元耦合的方法求解樁土相互作用問題，充分利用兩種數值計算方法的優點，對確定樁土相互作用計算模型是一次有益的嘗試；同時建立了群樁相互作月的數學模型，並利用有限元分析軟體ansys建立其力學模型，在均質土體中取得了與傳統解答較好的一致性，從而為拓展利用本文所述建模方法，解決群樁作用機理研究中難以處理的土體成層、非均質等性質，提供了有力的根據；最後，以遼工大實驗館地基土實測資料為例，利用本文建模方法，求解出承臺與樁的荷載分擔比，對安全、經濟地進行群樁基礎設計具有重要指導作用和應用價值。By studying the birds composition, quantity, species diversity and evenness, consumer biomass of community ; feeding niche, gathering and encountering probability of birds, we illustrate the characteristics of mountainous secondary forests wintering birds community in temperate zone in northeast china, and the changing trends and the relation with environments of birds community for 12 years fore - and - aft
通過對群落內鳥類組成及數量、種的多樣性和均勻性及消費生物量、鳥類的取食生態位，鳥類的集群及種間相遇幾率等方面的研究，基本闡明了溫帶環境中我國北方山地次生闊葉林冬季鳥類群落結構的特點，以及12年前後其鳥類群落結構的變化趨勢、與環境變化的關系等。The algorithm, which uses the distance relation of the nodes in the traffic network, can search information of trips, between given od points and trips which intersect groups of respective adjacent points of od points, and can analyze, evaluate, and filter these information in the light of characteristic of carpool path so that the carpool formation is convenient for ride matching
該演算法利用交通路網中各結點間的距離關系，可以檢索給定起迄點間及起迄點各自鄰近結點群之間存在的出行信息，並能根據合乘出行路徑特點對檢索出的信息進行分析、評價和優選，以方便出行者進行合乘組織。This thesis is focused on the following flve topics. first, comparative analysis of binary encoding and float encoding is made, the advantage and disadvantages of two encoding modes and their influence on genetic operators are clarified, thus the basis for reasonable description of the problems is provided. secondly, as genetic operators have an important influence on performance of algorithms, this thesis demonstrates that the simulated binary crossover can keep the mean of population unchanged, and under some conditions
作者在論文期間的工作主要集中在以下幾個方面：對遺傳演算法中的二進制編碼和浮點數編碼進行對比分析，闡明兩種編碼方法的優缺點和對遺傳操作運算元的影響，為合理地描述待解決的問題提供一定的依據；遺傳操作運算元對演算法的性能有重大的影響，文中對模擬二進制交叉運算元對群體的分佈影響進行了分析論證，得出模擬二進制交叉能保持群體的均值，並在滿足一定條件下使群體方差變大的結論；如何保持群體的多樣性，一直是進化演算法研究的主要內容。In order to implement an electronic whiteboard system, the thesis introduces the theory of computer supported cooperative work ( cscw ) and discusses key knowledge of cscw, which includes cscw system structure, cluster cooperative work model, cooperative control scheme and key communication technology of clusters. the thesis gives an in - depth analysis of the theory and characterics of electronic whiteboard system, which is a typical application of cscw, and suggests a method of implementing the system using java
為了實現一個教學白板系統，論文首先對cscw進行了一些理論研究，包括對cscw的應用系統的體系結構的研究、對群體協作模式的研究、對協同控制機制的研究、對群組通信的關鍵技術的研究，並對cscw應用系統中的典型應用電子白板的原理和特點進行了分析，提出了使用java進行實現的方法。分享友人