圓錐面 的英文怎麼說
中文拼音 [yuánzhuīmiàn]
圓錐面
英文
circular conical surface-
Chuck for grinding hole and end face of bevel gear
磨圓錐齒輪孔和端面用的卡盤His chief work was on the conic sections but he also wrote on other subjects.
他的主要著作是關于圓錐線的,但也寫過其他方面的著作。The surface ratio of conus to disc was calculated using a planimeter
我們使用面積計測量圓錐與視神經盤表面比值。Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results
這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等角螺旋天線,軸向模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用矩量法求解了天線上的電流分佈,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。This machine is suitable for processing the isomerism label, which is for medicine, chemical, food and commodity etc and flat, square, oval, tapered and single orientation etc
該機適用於醫藥、化工、食品、日化等扁、方、圓、橢圓、圓錐瓶、定位雙面等異型貼標。Since we can't specify lx and ly, the vector l can lie anywhere on the surface of a cone whose axis is the z axis.
由於不能確定Lx和Ly,矢量L可以處于以Z軸為軸的圓錐體面上任意處。Since we can ' t specify lx and ly, the vector l can lie anywhere on the surface of a cone whose axis is the z axis
由於不能確定lx和ly ,矢量l可以處于以z軸為軸的圓錐體面上任意處。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面和一圓錐相交所形成的三條曲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。Standard test method for use of the dynamic cone penetrometer in shallow pavement applications
淺層路面上使用的動力圓錐觸探儀的標準試驗方法In this section, we also designed 2d subwavelength multilevel ( 2 -, 4 -, 8 -, etc. level ) columned stairstep grating with coned spatial profile to reduce reflection
我們也通過矢量衍射理論分析了多臺階二維亞波長具有圓錐面形的網格光柵的電磁場衍射特性。( 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面: ( 1 )分析了凹面反射的焦散現象,給出了不同凹面反射的焦散圖; ( 2 )分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了二維凹面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,並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果; ( 3 )分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了三維凹面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面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面反射波動場的計算結果剖面圖。Implants for osteosynthesis - bone screws and auxiliary equipment - specification for screws having symmetrical and asymmetrical thread and conical undersurfaces
接骨用植入物.接骨螺釘和輔助設備.有對稱和不對稱螺紋及圓錐形底面的螺釘規范A new type of joint technique between short _ net copper pipe and soft _ cable connection board, castfusion welding, is introduced. the practice of more than ten years shows that this fusion welding connection has the superiority of higher reliability, simpler processing method, better economy benefit compared to the taper cone face - contacted connection
介紹了電石爐短網銅管與軟纜接線板之間的一種新型連接技術? ?澆鑄熔焊技術.經過10多年的運行,實踐證明短網銅管與鑄銅軟纜接線板的澆鑄熔焊連接,與傳統工藝採用的圓錐面接觸連接相比較,具有加工工藝簡單、運行可靠性高、經濟效益好等優點Hangzhou grand theater ' s main part is 170m long and 136m wide, and the surface of it is consisted of ellipsoidal surface roof and conical surface gladding. based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and wind load factor of long - span combined structure consisted of ellipsoidal surface roof and conical surface gladding subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained
本文採用風洞模型試驗和計算機數值計算相結合的方法,對杭州大劇院大跨度橢球屋蓋和倒圓錐面幕墻組合結構的風振機理、風振形態、風振響應以及風振系數進行了較系統的研究,取得了有意義的結論。Based on the data of wind pressure gotten from the wind tunnel test on rigid model, the mean wind pressures and fluctuating wind pressures on the long - span combined structure are studied
根據杭州大劇院剛性模型風洞試驗的風壓數據,對大跨橢球面屋蓋和圓錐面幕墻表面平均風壓和脈動風壓進行了研究。The distribution of mean wind pressure is analyzed and compared with the distribution on similar structural surface. through summarizing the rules for wind direction affection on wind pressures distribution, the most dangerous wind directions are gotten
分析了平均風壓的分佈情況,並將其與相近結構表面的風壓分佈進行了比較;通過總結平均風壓隨風向角的變化規律,得出橢球面屋蓋和圓錐面幕墻最不利風向角。The finite element model of hangzhou grand theater ' s structure is built up. through the modal analysis on the model, the structure and structural natural vibration characteristics are presented along with the key elements " influence on the natural vibration characteristics
根據杭州大劇院實際結構參數,建立了大跨橢球面屋蓋和圓錐面幕墻組合結構的有限元模型,分析了自振特性以及關鍵桿件對自振特性的影響。Valve conical face
氣閥圓錐面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
研究了規則曲面的擬合演算法,給出最小二乘法擬合平面、球面、圓柱面、圓錐面、圓環面等規則曲面的方法,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。On finding interseetion by the method of auxiliary cone surface
輔助圓錐面法求相貫線的研究分享友人