數學對象 的英文怎麼說
中文拼音 [shǔxuéduìxiàng]
數學對象
英文
math object-
In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象，選擇對斷開點和節臂球銷的位置進行優化設計，在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型，運用該學科的運動學分析方法研究機構的運動規律，編制了通用優化設計軟體。由於考慮了更多的空間因素，取消許多影響準確性的假設，因此建立的數學模型與傳統的方法相比更能反映實際運動規律，得到的優化結果也更加精確實用。此外，本文還針對導向機構進行受力分析，在建立該機構的空間動力學模型后，運用多體動力學中的動力學分析方法研究各個桿件的受力，計算出上下球鉸的約束反力，並開發出了相應的通用計算程序。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。And clustering analysis uses mathematics " method to study and deal with the classification of the given data and the degree of benignity and scattering between every two clusters. it ' s a tool to analyze data under no hypothesis
聚類分析則是用數學方法研究和處理所給對象的分類以及各類之間的親疏程度，是在對數據不作任何假設的條件下進行分析的工具。The article is based on nation nature science foundation of china, " biogeochemical cycling of pollutants in complex environments of tidal flats in the yangtze estuary " ( no. 40131020 ). the author chose open tidal flat of dong tang chongming yangtze estuary as research object and set up typical section plane so that under the good condition, the author measured hydrology element, total nitrogen and total phosphor index
本文依託國家自然科學基金重點項目「長江口濱岸潮灘復雜環境條件下物質循環研究」 （批準號： 40131020 ） ，選擇了長江口崇明東灘敞開型潮灘為研究對象，設置典型斷面，在平靜天氣條件下，實測了水文、地球化學要素，獲得了水位、流向、流速、 tn及tp等指標6000多個實測數據，著重對長江口潮灘水動力過程、 tn和tp的動力輸移過程進行研究。Different from the nature beauty and and art beauty, the beauty of math is a kind of rational beauty with briefness, symmetry, unity, abstract, accurate, logic and practice
數學美，是一種區別于自然美和藝術美的抽象美，具有簡潔性，對稱性，統一性，抽象性，精確性和邏輯性，實踐性。Most studies on learning and circadian rhythms have focused on mammals
多數研究學習能力與生理時鐘的對象都聚焦在哺乳類動物。Noncommuting objects are as real to the mathematicians as commuting objects.
對于數學家來說，不可交換的對象與可交換的對象是一樣真實的。The findings of this thesis reflect that the object - oriented method is an effective means used in developing finite element analysis software, compared with traditional method it possesses the advantages of being more structured, easy to be compiled, maintained and extended and the program code can be much more reused. the oop method not only improve the functions of finite element software but also realize the congruity between the computing model and physical model in the real world, and promote the integrity technique of cad / cae
本文結果表明，面向對象方法是一種強有力的工具，採用面向對象方法開發大型有限元分析軟體是一種非常有效的方法，與傳統的有限元程序相比，面向對象有限元程序更加結構化、更易於編寫、更易於維護和擴充，程序代碼的可重用成分更大，它不僅能提高有限元軟體的功能，而且能實現數據模型與計算機模型以及現實世界物理模型之間的一致性，方便太原理工大學碩士學位論文cad / cae系統的集成。Based on field research and the dynamic analysis of remote sensing data of different time ( 1987 tm, 1996 tm and 2000 china - brazil earth resource satellite ccd ), using multi - information of research area ( including data of geology, geography, hydrology, meteorology, economy, human culture and dem ) and existing research results, the dissertation discusses drive factors of desertification and the relationships between drive factors and desertification with the help of gis tool and some mathematical methods such as probability, statistics, curvilinear estimation, logical analysis and analytic hierarchy process
論文在對研究區土地荒漠化現狀野外調研和不同時相（ 1987tm 、 1996tm和2000ccd ）遙感圖像土地荒漠化信息提取和演變分析的基礎上，結合研究區已有的多元信息基礎資料及研究成果（包括地質、地理、多時期的水文氣象、經濟、人文以及dem數據等） ，運用gis強大的空間分析功能和概率統計、曲線估計、邏輯分析、主成分分析、層次分析等數學方法綜合研究了土地荒漠化與各驅動因子之間的相關關系，揭示了研究區土地荒漠化的主要驅動因素，探討了荒漠化動態演化規律。Immediately after, it summarizes the comprehension of the thought concept and the hypostatic cognition in intuitional thought. then on the foundation, it puts forward the concept of the intuitional thought in mathematics, joining together to the description to the intuitional thought of the domestic and international scholars, and according to the genetic epistemological principle and the view of the doctrine mental state school of thought
在此基礎上，結合國內外學者對直覺思維的描述，根據皮亞傑發生認識論原理和建構主義心理學派的觀點，提出了數學直覺思維的概念：人腦憑借建構的數學直覺認識結構，對數學對象的結構、關系的整體性理解和直接領悟的心理過程。Poincare ' s criticism on " the expected reason ", justification for the existence of mathematical object and opposition to the postulate of real infinite provide the developmental approach for the intuitionism in philosophy of mathematics
摘要彭加勒對邏輯主義「預期理由」的批判，對數學對象存在性的辯護和對實無窮假設的反對，都為數學哲學中直覺主義學派的發展開辟了道路。Based on a statistic analysis, the author suggests professors of literature should make research work results accessible and alluring rather than obfuscating them with a vocabulary designed to give an air of pseudoscience
在對大量的教學對象的數據統計和分析的基礎上，作者建議文學教師的研究成果不要晦澀模糊，要明白易懂，引人入勝，要剔除有偽科學傾向的詞藻。Based on unsupervised learning, sparse coding is suitable to describe images with non - gaussian distribution and can get rid of the high order redundancy among the image pixels. since the basis function of sparse coding has build - in clustering property, it increases the inter - class variations of the features
稀疏編碼是一種基於非監督學習的演算法，它適合描述具有非高斯分佈的數據對象，能夠有效地消除圖像象素點之間的冗餘，並具有內在的聚類特性。The wavelet method used in economic forecast depends on its " mathematics microscope " property. it does the layer analysis and forecast to indicators. it can improve forecast precision, what ' s more it can search and express the structural feature of data such as development cycle, second cycle, especially to some sudden change data which will provide effective and reliable warranty to the complexity and violent fluctuant data indicators in enterprise
基於小波進行經濟預測的方法依靠其「數學顯微鏡」的特性，對待分析的預測指標進行逐層分析和預測，在提高預測精度的基礎上，能對分析數據對象的結構特徵進行挖掘，分析數據特徵如發展主周期、次周期等，尤其對具有突變性質的數據具有很好的表徵分析能力，這對于企業中復雜的變動劇烈的數據指標的預測能提供有效可靠的保證。If the students get inactive influence during the conception learning, they will have a sensitivity hindrance, so as to influence the generalization of the different properties of the matter, as well as the form of the mathematics conception
如果學生在概念學習時，受到經驗的消極影響，就會造成主體對數學對象的感知障礙，以至於影響對事物各種屬性的概括，當然也影響到數學概念的形成。Zong on indicate, contain hysteresis on industry, nonlinear and complex control object, usually melt with intelligence control method can get than the pid control of tradition better control effect, natural, for compare accurate mathematics somewhat object, control still with the method of tradition effect ripen more some, but for too complex unknown system, have state method can get the control result of ideal
綜上所述，對于工業上含有滯后，非線性和復雜的控制對象，通常採用智能化的控制方法能獲得比傳統的pid控制更好的控制效果，當然，對於一些比較精確的數學對象來說，還是用傳統的方法進行控制的效果更成熟一些，但對于過于復雜的未知的系統來說，用上述的方法會獲得理想的控制結果。Common pd in signal language learning mainly showed in the following : ca n ' t understand the objects the mathematics signals represent ; scare of extensive cognition to the mathematics objects which mathematics signals represent. do n ' t understand the meaning expressed by signal language. the same signal forms can express different meanings, and different signal forms can express the same meaning, if student separate signal language from its maths meaning contained in it, the ml they mastered is a kind of signal game without any meaning ; not mastering various forms of signal language ( signal language has many equal forms ) or only mastering one kind or several kinds forms, the cognition to signals are not enough
符號語言學習的常見心理偏差主要表現存不能理解數學符號代表的對象，缺乏對數學符號所表示的數學對象的廣泛性的認識；不明白符號語言表達的含義，如果將符號語言與所表達的數學含義相脫離，學生所掌握的數學語言就是毫無意義的符號游戲；掌握不了符號語言的各種變化形式，符號語言有許多的等價形式，如果只是掌握其中的一種或幾種形式，對它的認識將不夠充分。Base on mathematics philosophy of the content and object of mathematics, this paper discussed the problem about abstraction of mathematics, put forward that mathematics had the major forms of abstraction, and gave some analyses about the validity of mathematics abstraction, and the teaching strategy of using this feature
從數學的內容與對象這一數學哲學層面上分析，數學具有抽象性特點的主要表現形式有：層次性、模型化、理想化、形式化和符號化等，數學抽象的合理性表現在：僅抽取事物對象量的關系和空間形式以及抽象的確定性，在數學教學中應注重貫徹這一特點的教學策略It embodies both the activity of individual interpretation and a comprehensive process to the objective meaning of maths object. in other words, it is a combination of personal understanding and cultural implication
它既是一種個人「解釋」活動，也是一個對數學對象的客觀意義進行「理解」的過程，是「個人意義」和「文化意義」的一種綜合。Based on discussing the study theories of perception doctrine and constructing theoretical foundation in detail, this text is closely connected to teaching practices, from the teaching targets and content of course, course characteristics, teaching objects, the teaching software, the selection of medium information, the teaching of structural design and the system of teaching software the design thoughts of numerical controls technique about the teaching software, introducing the development of teaching software in numerical controls technique and make use of the accurate charts to display some cases about the teaching software in numerical controls technique
本文在詳細論述認知主義學習理論與建構主義學習理論的基礎上，緊密結合教學實踐，從教學目標與教學內容、課程特點、教學對象、教學軟體、媒體信息的選擇、教學軟體知識結構的設計，教學軟體的系統構成等方面闡述了《數控技術》教學軟體的設計思路，介紹了《數控技術》教學軟體的開發技術並運用精確的圖表方式列舉了《數控技術》教學軟體的設計案例，在理論與實踐相結合論述的基礎上，又探討了《數控技術》教學軟體設計的發展方向。分享友人