圓錐曲面 的英文怎麼說

中文拼音 [yuánzhuīmiàn]
圓錐曲面 英文
conicoid
  • : Ⅰ名詞1. (錐子) awl2. (似錐物) awl-shaped things 3. (錐體) cone Ⅱ動詞(鉆) drill; bore
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 圓錐 : circular cone; cone; taper; conus圓錐度 conicity; 圓錐根 [植物學] conical root; 圓錐花序 panicle;...
  1. The electro - magnetic telegraph was the wonderful and most unexpected consequence of the experiments of oersted and the mathematical investigations ofampe : and the modern art of navigation is an unforeseen emanation from the purely speculative and apparently merely curious enquiry, by the mathematicians of alexandria, into the properties of three curves formed by the intersection of a plane surface and a cone

    電報是奧斯忒的實驗和安培的數學研究最出乎人預料而令人驚異的結果;現代航海技術則意外地產生於亞歷山大的數學家們對由一平和一相交所形成的三條線的性質進行的純粹思辯性的、顯然僅僅是出於好奇的探索。
  2. ( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given

    論文主要包括三個方: ( 1 )分析了凹反射的焦散現象,給出了不同凹反射的焦散圖; ( 2 )分析了二維凹反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了二維凹反射波動場焦散區奇性主要有折疊( fold )和尖點( cusp )兩種的結論,利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式,並給出了、橢及雙反射的計算結果; ( 3 )分析了三維凹反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了三維凹反射波動場焦散區奇性主要有折疊( fom 、尖點kusp和燕尾k )三種的結論,提出了利用辛幾何方法計算三維凹反射波動場非焦散區和焦散區的計算方法,並給出了三軸不等橢球體凹反射波動場的計算結果剖圖。
  3. The manufacture system of filament winding ( fw ) and fiber placement ( fp ) is the one of advanced equipment for frp products. it can be used to produce the products of the positive curvature gyration bodies, such as container cylinder, oil tank, tube, orb, cone, assembled body and so on. furthermore, it is more suited to machining some products of the complex bodies such as the surfaces of the negative curvature gyration bodies, the shell components which have slots and reinforced tendons

    纖維纏繞/鋪放聯合製造系統是纖維增強塑料( frp )製品生產的先進製造裝備之一,可用於製造如筒容器、儲罐、管、球、形體或組合形體等正率回轉體的製品,更適用於製造含有負率的回轉體表、具有深槽、加強筋的殼體構件等外形相對復雜的纖維增強塑料製品。
  4. Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve

    建立了克林貝格擺線齒齒輪嚙合分析的對滾模型,通過對非線性方程組的迭代求解,得到齒方程的各個參數;由微分幾何和切齒嚙合原理推導了齒上齒廓和齒線方向的率參數,得到了瞬時接觸橢的參數。根據設計參數和機床調整參數繪制了工作齒的接觸軌跡和接觸區圖形,並求得了瞬時傳動比的誤差線。
  5. The crusher of this series is suitable for crushing varies of mid - hard and above mid - hard ores and rocks. this crusher has the advantage of reliable construction. high prod uctivity, easy adjustment and less cost in operation

    從而使破碎的破碎璧時而靠近又時而離開固裝在調整套上的軋臼壁表,使礦石在破碎腔內不斷受到沖擊,擠壓和彎作用而實現礦石的破碎。
  6. Based on the computer geometrical models of straight bevel gears built, a iso - parametric tool path algorithms which was fit for the machining of multiple surfaces has been designed. the algorithms can solve the problems which exist in machining multiple non - rectangle parameter surfaces and avoid the calculation of sufaces intersection

    在建立直齒齒輪計算機模型的基礎上,提出了適于多加工的等參數線刀軌生成演算法,避免了在對多張相鄰非矩形參數域齒進行加工時所產生的干涉問題,而且無需求交,使得計算成本下降。
  7. The least - squares fitting for regular surfaces, such as planes, spheres, cones, tori to 3d data points is researched. the efficiency of computing is improved greatly and the effect of singularities on fitting is avoided

    研究了規則的擬合演算法,給出最小二乘法擬合平、球等規則的方法,這些方法的顯著優點是提高了計算效率,避免了擬合過程中奇異點的影響。
  8. Calculation of scuffing load capacity of cylindrical, bevel and hypoid gears - part 1 : flash temperature method

    柱齒輪齒輪和準雙齒輪膠合承載能力計算方法第1部分:閃溫法
  9. Calculation of scuffing load capacity of cylindrical, bevel and hypoid gears - part 2 : integral temperature method

    柱齒輪齒輪和準雙齒輪膠合承載能力計算方法第2部分:積分溫度法
  10. One fascinating property of steel mirrors is their mouldability - they can be bent into the shape of a circular cylinder or even a cone

    鏡鋼的特色是可以屈柱甚至狀。柱及圖所反射出來的圖像往往變得十分有趣甚至難以辨認。
  11. In his treatise " seven methods for inscribed circle ", the qing mathematician huang zongxian extended questions of incribed circle from four aspects, and especially resolved new questions about inscribed circle by the use of conical section, locus and logical inference of western mathematics, some of which are not lacking in originality and accomplishment

    摘要清末數學家黃宗憲在《容七術》中,對中國傳統數學的容問題從幾個方做了推廣,特別是用西方數學的線、軌跡方法及邏輯推理等知識解決新的容問題,其中不乏頗具新意的創見和成果。
  12. The connected curve equation after spreading connected joint of taper container are derived , the new blanking method with computer is put forward

    導出了形容器接管交線在展開接管表后的線方程,提出了用計算機繪制其交線,即放樣下料的新方法。
  13. Taking the meshing theory of conjugate curved surface as a foundation, utilizing array method of rotation transformation of vector, the meshing equation and contour surface equation of conical cam mechanism with swinging conical roller follower were analyzed and derived, and the calculation formula of pressure angle and synthetic curvature of the mechanism was presented, thus laid a solid theoretical foundation for enhancing the machining accuracy of conical cam, improving its processing method and achieved the integration of cam cad / cam

    摘要以共軛嚙合理論為基礎,運用矢量的旋轉變換矩陣法,分析並推導了滾子擺動從動件凸輪機構的嚙合方程和廓方程,並給出了機構的壓力角和綜合率的計算公式,為凸輪加工精度的提高,改進其加工方法,實現凸輪cad / cam一體化奠定了堅實的理論基礎。
  14. The sheet metal work pieces are first divided into several groups such as cylinder, cone and so on. then, under considering the intersection of two cylinders or a cone and a plane, the mathematical models have been developed, and the corresponding unfolding methods have been determined. on the platform of autocad, the system has been redeveloped by means of autolisp and activex object, and the unfolding cad system has been designed, which can realize the parametric drawing of the extension of sheet metal

    結合工程實際對構件進行了分類,並通過分析建立了包括柱、柱與柱相貫、與平相貫等構件的數學模型,確定了適當的展開方法,以autocad2000為平臺,以autolisp結合activex對象為工具,進行二次開發,設計了展開cad系統,從而實現鈑金件展開圖的參數化繪圖。
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