正多角形 的英文怎麼說

Ancient chinese architecture uses a variety of shapes : the square, rectangle, triangle, hexagon, octagon, dodecagon, cross, circle, and semicircle

中國古代建築採用多種不同的外形：正方形、長方形、三角形、六角形、八角形、十二角形、十字形、圓形和半圓形。

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

Supply sintered corundum abrasive chips. over ten shapes : triangle, oblique triangle, fan, cylinder, oblique cylinder, rhombus, square, v - shape, ball shape, elliptical, etc

有十多種形狀上百個規格，如：三角形斜切三角形圓柱形斜切圓柱形扇形橢圓形正方形球形v形菱形等。

Shenzhen chenggong trade co., ltd. supply sintered corundum abrasive chips. over ten shapes : triangle, oblique triangle, fan, cylinder, oblique cylinder, rhombus, square, v - shape, ball shape, elliptical, etc

有十多種形狀上百個規格，如：三角形斜切三角形圓柱形斜切圓柱形扇形橢圓形正方形球形v形菱形等。

In the meanwhile, the semi - rigid connections can save steel capacity, and become a kind of not only economical, but also reliability connection. top and seat angle with double web angles semi - rigid connection is of performance, while few study has for complex destroy and many effect factors

頂底角鋼雙腹板連接由於其較好的性能，但由於其破壞的形式比較復雜而且影響因素較多在國內外研究中觸及很少，本基金項目正處於此初衷對其進行理論研究與實驗分析。

In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

本文在已有研究成果的基礎上進一步開展了以下幾方面的研究： （ 1 ）在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上，提出了廣義雙層地基模型的概念，並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中； （ 2 ）根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式，編制了程序，調試通過並驗證了其正確性； （ 3 ）通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降，矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算，探討了雙層地基中的附加應力與沉降特性； （ 4 ）應用本文的層狀地基體系理論對一個工程實例進行了計算分析，並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析，結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。

Through ( multi - level ) bordered block partition of the power system topology matrix, a bbdf coefficient matrix which is suitable for above decomposition is formed. when the equation is solved with parallel iterative method, convergence acceleration is achieved through damping newton method

通過採用（多重）對角加邊的方法進行電力網路拓撲分割，以形成適合以上分解法求解的對角加邊形式的系數矩陣，并行求解后並對迭代過程進行阻尼牛頓法修正，以達到加速收斂的作用。

Any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent

各面都是正多邊形且多面體的角都相等的立體。

Abstract : this paper gives a formula of directed area for pedal polygon of polygons inscribed in a circle. using this formula, we obtain some fixed value theorems for this kind of pedal polygins. thus some results of pedal triangles are generalized

文摘:給出圓內接多邊形的垂足多邊形的有向面積公式，並利用該公式獲得圓內接多邊形的垂足多邊形和正多邊形的垂足多邊形的若干結果，從而推廣了垂足三角形的一些結論。

Take out a square paper, cut it. how many angles can we get now ? let ' s compare. which group can get the most answers

一張正方形紙，剪一刀，得到的圖形有幾個角？四人小組先討論，然後分工合作完成，比一比哪一組方法多？

The jade one presents rectangle, square, triangular, ladder - shaped, polygonal etc.

玉片呈長方形正方形三角形梯形多邊形等。

The study shows the characteristics of goodwill are that : ( 1 ) it is the present value of extra - profit of corporation ( 2 ) it is an intangible assets ( 3 ) it is uncertain and risky ( 4 ) the usage is limit and the formation and variance of value is special compared to other assets. as to the recognition and measurement : ( 1 ) we should conceal combined variance item in combined statement when the goodwill is formed in the mode of controlling combination in order to conform to the international principle ( 2 ) the recognition of self - constructed goodwill is necessary ( 3 ) we should make impairment evaluation to revise amortization when we start to amortize after its first recognition ( 4 ) we attach more importance to un - direct measurement approach on present stage ( 5 ) direct measurement approach can be adopted to self - constructed goodwill, while for goodwill - purchased, it may be reference only, we should adopted un - direct approach to recognize. the accounting process of positive and negative goodwill are that the former should conform to the systematic amortization method.,

2商譽的確認、再確認與計量： u ）對我國而言，以控股合併方式下形成的外購商譽在合併報表中的處理應遵循國際慣例，取消合併價差項目； （ 2 ）從資產的確認標準以及會計原則等多個角度來看，確認自創商譽非常必要； （ ）商譽在初始確認后，應對購買商譽進行攤銷的同時，並進行商譽的減損評價，使減損評價起到「修正」攤銷的作用： （ 4 ）直接計量法與間接計量法是計量商譽的兩種方法，現階段只能是計量的科學性讓位於計量的難易程度，採用間接法計量商譽； （ 5 ）隨著近年來自創商譽入賬的呼聲日益高漲，若要將自創商譽入賬，顯然只能採用直接計量法計量其價值，而對外購商譽，可以先以直接計量法的計算結果作為重要參考，然後再用間接計量法計算的結果對商譽登記入賬。

Perspective correction is a process of interpolating texture coordinates prior to sampling a texture so that a polygon that is angled away from the camera is stretched correctly for the apparent depth of the polygon

透視修正是一種在對紋理進行采樣之前對紋理坐標進行插值計算的過程，這樣，對于偏離鏡頭方向一定角度的多邊形，才能使其在視深范圍內正確伸展。

In this paper, through the research of the mental model of agent and the analyses of a few kinds of " belief - desire - intention " ( bdi ) model of agent from the logical view, we explain the agent theoretically. on the base of analyzing the organ structure of agent, we put forward the kernel agent concept. the kernel concept abstracted from common properties of agent, contribute to construct agent and multi - agent system. we have also studied the kqml ( knowledge query and manipulation language ) and communication mechanism of agent, and bring forth the ontology researching will become the emphasis in construction of abstract knowledge exchanging between the agents. at last, we construct a multi - agent system, which exchange kqml message by a mobile agent, by the development tools of agelt and jkqml

當前，對agent和多agent系統的研究正在掀起熱潮，是當今計算機科學技術領域、信息工程領域和網路與通信領域十分活躍的前沿研究方向之一。本文通過對agent心智模型的研究，從邏輯學的角度分析並總結了幾種agent 「信念?願望?意圖」 （ bdi ）模型，在理論上對agent進行了解釋。總結了現有邏輯模型存在的問題，提出去掉規則n形成的一種非正規模態邏輯的語義上的新的解釋，解決了「邏輯全知」問題和由此帶來的問題，避免了一般非正規模態邏輯系統語義解釋對agent的bdi描述的弱點。

Triacon division is to divide each triangle edge into n 2m pieces where m is some positive integer. lines are then drawn perpendicular to the triangle edges to form the new triangle grid

三十面分解法是將正多面體的三角形面的每邊切成n 2m份m是任何整數，然後把與三角形面的邊垂直的線連接來產生新的網格。

There are 2 methods in dividing the surfaces : alternate division class i and triacon division class ii. alternate division is to divide the equilateral triangle into n2 smaller equilateral triangles by breaking each edges into n pieces and connecting the breaking points with lines parallel to the triangle edges

分解方法有兩種交錯分解法i類以及三十面分解法ii類，交錯分解法是將正多面體上的正三角形面每邊切成n份並把分解點連成和大正三角形的邊平行的直線，使正三角形面分解成n2個較小的正三角形面。

In the recent economic activity, in order to make maximum profits, it is not rarely that business runner takes the advantage of the right of independent value to make it as a guarantee. unfortunately, because of law ' s failure to provide the guarantee right definitely and illustratively, the court often invalid the activity, consequently, the proper right cannot be protected from law it deserved, which results in the normal economic activity is barricaded unreasonably, and the perfect and most typical guarantee cannot play its own role fully. in view of this, in many new property guarantee, such as mrrpg, mining right guarantee, fishery right guarantee, and stall right guarantee, and so on, the present author choose the frequent - used mrrpg as the research target

當前的經濟活動中，經營者從謀求最大化經濟效益的角度出發，以具有獨立經濟價值的權利為抵押物設定抵押的情形並不鮮見，但因為法律對該類權利抵押並未加以明確的、列舉式的規定，法院多將其認定為無效，從而使正當權益得不到應有的保護，使正常的經濟活動受到不合理的束縛，使作為最完善、最典型的擔保形式的抵押不能充分發揮其應有的作用。

A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景

This paper also analyzed some key problems in 3d triangulation from scattered points. new determining principles for the relationship of point and line in space and for convexo - concave vertices of space polygon is discussed which corrected the previous method and can be applied in space triangle mesh. at the end of this papar, the future research areaes of triangluation from 3d scattered points are demonstrated

本文還分析了三維空間直接三角剖分所要解決的一些關鍵問題，進而提出了空間中點與直線位置關系判別的新方法及空間多邊形頂點凹凸性判別的新方法，修正了以往演算法在應用上的局限性，使之能夠適用於復雜網格多邊形邊界。

Based on the general conception of holography, the author analyzes the tourism region with a holographic view of human - nature relationship, and considers, in the core, the origination, development, transformation of tourism region system is a course in which the resources system is transformed to the economic system ， to the cultural system, which demonstrates by the structure of tourism region objection system ? ? from the structure of tourism resources to the structure of tourism products ， to the structure of the tourism markets ， to the structure of tourism industries, and each step of transformation needs the input of anti - entropy from the subjection system ? ? the tourists, the tourism scholars, the tourism enterprising, the tourism media, the government and the local people who urge the region sustainable development. there are six chapters in the dissertation : in the first chapter, on the base of holographic view, the author constructs a holographic space which consists of one - dimensioned time, three - dimensioned space and multi - dimensioned system, which can supply for the study of variety and multi - perspective of tourism region subsystem, meanwhile originationable theory, fractal theory and down - to - the - earth theory are put forward as methodology, what ' s more, the author constructs the paradigm of the tourism region development as the frame of region tourism development. in the second chapter, with a holographic view, some concepts of tourism region system, both objection system and subjection system, are defined again, especially, the conception of tourism, tourist, tourism resources and tourism product, the author considers, it ' s only through information that can explain how the tourism derived and developed, what the tourist demands and utility are, and the relationship between the inner subjection system is regarded as mutuality

本論文結構共分6個部分：第一部分，從全息學的基本觀點出發，構建出由一維時間、三維空間和多維系統組成的全息空間，這為研究旅遊地域各子系統的多樣性和多角度性提供了理論的依託，並將元化思考、分形理論和紮根理論作為旅遊地域開發的主要方法論，構建出旅遊地域全息開發的思維範式，為旅遊地域的開發奠定了堅實的理論框架；第二部分，從全息角度對旅遊地域系統，包括客體系統和主體系統，進行全新的界定，尤其對旅遊活動、旅遊者、旅遊資源及旅遊產品的概念進行全新界定，認為只有從信息角度才能理解旅遊活動產生、發展以及旅遊者的需求和效用，並在旅遊地域開發關繫上提出了互為主體的觀念；第三部分，從空間角度對旅遊地域進行分析，認為旅遊地域是運動的，要素運動形成要素的結構變化，進而推動整個旅遊地域的運動，同時，旅遊地域運動還受到環境系統的制約和影響，筆者還對旅遊地域相互作用關系作了較為深入的研究，認為不同等級間和同等級間旅遊地域相互作用遵循不同的規律；第四部分，通過對旅遊地域周期理論的再認識，詳細分析了影響旅遊周期的因素，並提出旅遊地域全息周期的理想模式是logistic曲線；第五部分，筆者對旅遊地域的開發模式進行了總結，從主體角度提出了4種旅遊地域全息開發模式? ?資源主導型、學者主導型、企業媒體主導型和政府大眾主導型，並從環境系統對旅遊地域開發的影響程度出發，提出2種修正模式? ?微阻礙模式和重阻礙模式；第六部分，以安西縣為例，在全息分析安西縣旅遊地域發展狀況之後，強調旅遊產品的開發與設計是旅遊地域開發的關鍵，並運用全息的觀點對旅遊產品開發進行了實證研究。