正方性 的英文怎麼說
中文拼音 [zhēngfāngxìng]
正方性
英文
tetragonality-
The correctness of theory analysis and reliability and affiance of software are verified by comparing practical calculation with traditional design
通過實例計算與傳統設計方法的結果的比較,驗證了理論分析的正確性和軟體的有效性、可靠性。The development of the methods not only make sure that the urban vegetable product pollution control system is valid, exact and scientific, but also provide a sort of double secure affirmance for the urban vegetable product pollution control system
該套方法的提出確保了城市蔬菜品種污染監控系統的正確性、準確性和科學性,為污染監控系統提供了「雙保險」 。At the same time, the section studies a new amendable method on drawing - up the dynamic extension forms of the motion input - output forms, it discusses the defer problem of input - output analysis too. meanwhile, it points out the fact that motional inut - ouput is a motional problem. however, the authentic economical running which recreates constantly is continual and dynamical, that is to say, it have to think about investing
本章還從靜態投入產出模型入手,研究了利用動態投入產出模型編制投入產出表的一種新修正方法,討論了投入產出分析中時滯問題,並指出,靜態投入產出模型是一個靜態問題,而現實生活中的經濟運行是連續性的,動態的,不斷擴大再生產,也就是需要考慮投資的問題,文中還討論了規劃問題和預測問題的前提條件。The problem of calculating the core attributes of a dicision table is studied, a new discernibility matrix and the computation of core is put forward in this paper, and correctness of this method is proved. this method is the same with consistent and antipathic dicision tables
論文對目前求核方法存在的問題進行了分析,提出了一種新的可區分矩陣與求核方法,並證明了方法的正確性,該方法適用於任何決策表(相容的或不相容的) 。To overcome the disadvantages of the linear calibration methods such as mlr and pls, least - squares support vector machine ( ls - svm ) is introduced to nir quantitative calibration in this thesis. for a set of diesel cetane number ( cn ) samples, the ls - svm model obtains the best performance in the cn prediction, compared with the mlr and pls model
為克服mlr與pls等線性校正方法的局限性,本文將最小二乘支持向量機( ls - svm )演算法用於近紅外光譜的定量校正,並以一批柴油十六烷值樣品數據為例對以上方法進行了比較。We can attains some conclusions in this paper, nozick emphasizes the rightness of property holding and historic justification of the origin of property, rawls highlights on the right of equality and cares for people who live in inferior position. nozick stresses the ownership of natural development of property " holding " and advocates the theory of " the minimal state ". in order to arrive at goals of social justice and good, rawls tries to reduce the gap in social and natural chanciness, and insists on the redistribution of property under the interposition of the public reason and public power
我們可以獲得一些結論:諾齊克看重財產持有的正當性和財產來源的歷史意義,羅爾斯則按照「兩個正義原則」對公共資源進行分配並關懷弱勢群體;諾齊克強調財富「持有」的自然生成的所有權並主張干預財富分配的「最弱意義國家」理論,羅爾斯則試圖減輕自然和社會「偶性」方面的差距,強調通過公共理性和公共權力來干預財產的分配和再分配,以期達到社會的公正與善。The results show that the measurement result is in concordance with the result of calculation by theory on powder - pulse - booster impulse
研究結果表明:單擺試驗測量火藥脈沖助推器沖量結果與理論計算結果基本一致,證明了此實驗方法的正確性。To eliminate the errors, the parallel double - sensor scheme which can eliminate the influence of the tooth space error of the measurement tooth - wheel and the contraposition double - sensor scheme which can reduce the influence of the installing eccentric error of the measurement tooth - wheel are demonstrated in detail and realized in this paper
為消除這些誤差,詳細論證並實現了用並聯式雙傳感器方案消除測量齒盤分齒誤差的影響和用對置式雙傳感器方案消減測量齒盤安裝偏心誤差的影響。構建了試驗臺,驗證了誤差研究和雙傳感器方案的正確性。Analyse the klingelnberg amk855 gear milling machine. through analyse the transmission chain of the gear milling machine, analyse the transmitting principle and manufacture principle, introduce the two - - part cutter head, the process of formation of extended epicycloide and inaginary crown gear cutting principle ; overall introduce the formation of tooth face, deduce the calculation formulas of the main setting parameter of gear milling machine, and proving the correctness of the setting calculation formulas by the program of ‘ calculating of klingelnberg cyclo - palloid spiral bevel gear milling setting parameter ’
通過剖析該機床的傳動鏈,分析了其運動原理和加工原理;介紹了雙層萬能刀盤、延伸外擺線的形成過程和假想平面產形輪切齒理論;全面介紹了齒面的形成方法,推導了銑齒機主要的調整參數的計算公式,並用「 klingelnberg擺線齒錐齒輪銑齒調整參數計算」的程序驗證了推導的公式的正確性。After s - cdma processing, the demodulated information and the original information of the same users are equally
通過驗證每個用戶在模擬處理后均能夠恢復原始信息,證明了方案的正確性和可行性。This paper researches diathermancy and fluidity of condenser, evaporator, compressor, and capillary in detail. maths models of condenser, evaporator, compressor, and capillary are established and model predigesting and modifying methods are done methods are given in this paper, which can transfer the practical system into the simulating system. in the basis of refrigerating system character, components models are modified in the system administrative levels
本文詳細研究了蒸發器、冷凝器、壓縮機和毛細管的傳熱特性和流動特性,建立和發展了蒸發器、冷凝器、壓縮機和毛細管數學模型,並進行了相應的模型簡化和修正方法研究,建立了從實際系統到模擬系統的轉換方法;本文針對各製冷系統的特點,在系統層次上進行了部件模型的修正研究,建立了相應的修正模型和演算法。Then following reality constituent of engine and connecting component interface, a nonlinear signal cylinder engine model has been created, though fire interval and fire order, a control - oriented four cylinders engine is build. following dynamometer is seen as load, performance of engine is simulated and researched under the condition of constant torque and speed, validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno
按照發動機的實際組成,根據各部件的介面類型連接模型庫中的部件,建立了單缸發動機非線性模型,在此基礎上,依據發動機實際發火間隔和順序,建立了面向控制的四缸汽油機模型,並以測功器為負載,通過恆轉矩和恆轉速方式進行了發動機性能模擬和研究,模擬結果和發動機動力性能模擬軟體dyno測試結果的對比驗證了數學模型和模擬模型的正確性。The new method of judgement for matrix positive definite in euclid space
空間中矩陣正定性判別的新方法A novel method for reducing greatly the nonlinear errors in heterodyne laser interferometry
外差干涉非線性誤差修正方法研究In appendixes, the validity of applying hyades simulation to our experiments is analyzed
在附錄里簡要介紹了一維流體力學程序hyades的使用方法並驗證了模擬結果的正確性。Specially, although the personal energy, time and resource of the research is limited, a series of incomprehensive investigations and interviews that base on the theory of architecture planning still provide the big support for the applicability and correctness of the four aspects mentioned above. undoubtedly, the primary test of practice is provided for the theory system of the architecture language
此外,雖然限於精力,時間及資源分配的不足,但以建築計劃學理論為指導的一系列范圍有限的調研活動依然為上述幾個方面的適用性和正確性提供了很大支持,從而使本建築語言理論體系得到了初步的實踐檢驗。It uses xml encryption, xml signature and ssl technology to design and implement the solution of transmission of tender and evaluation documents separately which are based on the different security requirement. the solutions guarantees the secrecy, incontestability, integrity and identity authentication in the transmission of the bidding documents
在標書傳遞子系統中根據不同的安全需求,使用xml加密、 xml簽名和ssl技術分別為投標書和評標書設計並實現了安全傳遞的方案,確保了標書傳遞中的保密性、完整性、長期不可否認性、時間有效性和用戶身份正確性。Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion
文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性(包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈) ,通過比較三種形狀位相元(等邊三角形、正方形和正六邊形)的遠場光斑特性,得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece
將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering
本文根據彈性薄板理論,導出了雙向空腹板的平衡微分方程,並通過理論計算和通用有限元程序ansys結果對比,驗證了其正確性;通過對各類邊界條件下雙向空腹板撓度和彎矩系數的計算比較,本文提出:雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公式查找現有的實心板撓度彎矩系數表進行計算,完全能滿足工程精度要求。分享友人