球面圓 的英文怎麼說
中文拼音 [qiúmiànyuán]
球面圓
英文
circle of the sphere-
Fillister raised cheese head screw
球面圓柱頭螺釘In the 1960s the most popular pattern had 336 dimpled octahedrons in parallel circles around the ball
在20世紀六十年代最流行的式樣是336個八面體酒窩(豆點)分佈在環繞球面的平行圓周上。Production and processing equipment : bearing production equipment, the ball processing equipment, bearing cleaning equipment, packaging equipment bearings, needle roller processing equipment, light jewelry processing equipment, spherical roller processing equipment, rough processing equipment, double - end grinders, spindle, wheel oilstone and other grinding materials, heat production, high - precision coordinates grinder, and outside grinder, seal marking machine, profilometry, contour dynamic analysis, hardness needle - sorting machine, a round instrument, processing tester, processing meter, dynamic vibration and noise analysis, vibration, noise testing device raceway ultra - precision instrument, roughness measuring instrument, the finish detector, sorting machine, converters and bearing products preservatives, lubricants, cleaning agents, such as processing raw materials
生產及加工設備:軸承生產設備球加工設備軸承清洗設備軸承包裝設備滾針加工設備光飾加工設備球面滾子加工設備毛坯加工設備雙端面磨床電主軸砂輪油石和其他研磨材料熱處理生產高精度坐標磨床內外圓磨床印子打標機輪廓測量儀輪廓動態分析儀硬度針分選機圓度儀加工測試儀加工測量儀振動噪聲動態分析儀震動噪聲測試裝置滾道超精儀粗糙度測量儀光潔度檢測儀分選機變頻器及軸承產品防腐劑潤滑劑清洗劑加工原材料等。2, the bearings production and processing equipment signal processing equipment, bearing cleaning equipment, packaging equipment bearings, the bearings production equipment, round instrument, blank processing equipment, double - end grinders, electric spindle and wheel grinding oilstone and other materials, printers marking machine measuring instrument, spherical roller processing equipment, raceway - seiki, roughness measuring instrument, the finish detector converter, hardness needle - sorting machine and new materials, lubricants, preservatives, cleaning agents, testing instruments
2軸承生產加工設備球加工設備軸承清洗設備軸承包裝設備軸承生產設備圓度儀毛坯加工設備雙端面磨床電主軸砂輪油石及其他研磨材料印字打標機加工測量儀球面滾子加工設備滾道超精機粗糙度測量儀光潔度檢測儀變頻器硬度針分選機及新型材料潤滑劑防腐劑清潔劑測試儀器等。Because in middle youth he had often sat observing through a rondel of bossed glass of a multicoloured pane the spectacle offered with continual changes of the thoroughfare without, pedestrians, quadrupeds, velocipedes, vehicles, passing slowly, quickly, evenly, round and round and round the rim of a round precipitous globe
因為他在青壯年時,經常坐在屋裡,隔著那嵌有浮凸飾的五彩圓玻璃窗子,觀察外界大街上千變萬化的景物:步行者四足動物腳踏車車輛,或急匆匆或慢悠悠或不緊不慢地經過,沿著垂直的圓球面的邊緣滴溜溜滴溜溜滴溜溜地旋轉。Square set screws with long dog point and rounded end
方頭長圓柱球面端緊定螺釘Sphere and torus lathe machining facility mould
球面及圓環面零件車加工的簡易模具Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing
文摘:說明了球面行波的索末菲公式在坐標轉動下不協變.證明了球面波的駐波表示是協變的,因而是一個物理的關系式,故適用於圓柱坐標中各類波動方程的定解問題.作為一個例,應用於光纖光學,導出了受導簡正模和輻射模的表達式,以及各模式的強度分佈As both the meshing point and ball ' s center are on the given cylinder, a general method for developing the cam ' s profile is studied. it is proved that the profile of positive and negative transmission is unique if the face gear, the difference between face tooth number and ball number and the diameter of ball are the same. the concrete expression of meshing cam on given spatial cycloid profile, and the characteristics of the profiles are discussed
論文的主要工作包括: 1 、根據嚙合點和鋼球中心軌跡均在同一圓柱面上的特點,研究了給定端齒齒廓條件下求解凸輪齒廓的一般方法;論證了在給定端齒、齒差數和鋼球直徑相同的條件下,正負齒差嚙合齒廓的唯一性;討論了端齒為球面擺線時,凸輪齒廓的具體表達式,並研究了該齒廓的性質。Finally, a method is put forward to construct the nurbs curves on sphere, which extends the de boor recursive algorithm in r3 to one on the sphere by replacing the geodesic distances for the lines and studies their many geometric properties analogous to those in euclidean spaces, such as the differential property, the local property, the parameter invariance under a projective transformation, and so on
兩種方法均給出誤差估計,使逼近螺線可達到任何預先給定的精確階。最後,給出球面nurbs曲線生成演算法:用球面上測地線? ?劣大圓弧代替直線段,將歐氏空間r ~ 3中的deboor遞推演算法推廣到球面上構造麯線。It advances that the non - lapping envelope region is a major fact of generating roundness errors and inquires into the effects of ball roundness with non - lapping envelope region, preliminary pressure error and lap tool wear
根據四研具體對球面研磨的包絡原理,提出了未包絡研磨區是產生殘存圓度誤差的主要因素,並探討了未包絡研磨區、四研具初始壓力誤差、研具磨損不均勻性產生的原因和對研磨殘存圓度誤差的影響及解決措施。Bearings roller bearings and other components. bearing ring precision rolling production line ; a high - precision, super efficient grinding automatic production line ; bearing assembly line ; signal processing equipment ; blank processing equipment ; crowning roller grinder ; end - grinder ; coordinate precision grinder ;, cylindrical grinder ; surface grinder ; spherical roller processing equipment ; raceway grinder ; heat treatment ; needle processing equipment ; polishing processing equipment ; roller - seiki ; rolling auto - sorting machine parts bearing hardness sorting machine bearing cleaning equipment ; contact angle measuring instrument ; contour meter ; bearing life experimental device ; bearing packaging equipment ; roundness instrument ; dynamic vibration noise analyzer ; noise vibration test equipment ; printing machine measuring instrument ; roughness tester ; scanning electron microscope ; finish detector ; inverter ; spindle, wheel, whetstone and other grinding materials
軸承套圈精密輾擴生產線高精高效磨超自動生產線軸承自動裝配線球加工設備毛坯加工設備凸度滾子磨床雙端面磨床高精度坐標磨床內外圓磨床平面磨床球面滾子加工設備溝道磨床熱處理生產滾針加工設備光飾加工設備滾道超精機滾動體自動分選機軸承零件硬度選別機軸承清洗設備角接觸測量儀輪廓測量儀軸承壽命實驗裝置軸承包裝設備圓度儀振動噪音動態分析儀振動噪音測試裝置印字機加工測量儀粗糙度測試儀掃描電子顯微鏡光潔度檢測儀變頻器電主軸砂輪油石和其他研磨材料A schedule, to report back on display : august 28, 2006 29 9am - 5pm 2 am09 : august 2006 30, 31 to 9 1 9 : 00 - 16 : 30 3, the opening time : august 30, 2006 at 9 : 30 4, remove time : september 1, 2006 as at 15 : 00 exhibitors scope of various bearings : metallurgical mine bearings, machine tool spindle bearings mill bearings, miniature bearings, bearings, ball bearings, roller bearings, needle roller bearings, roller bearings, gyroscope bearings, a high - precision bearings, high - speed bearings, bearings with block, linear motion bearings, low noise bearings lubricated bearings, ultra - low - temperature bearings, corrosion resistant bearings, joints bearings, deep groove ball bearings, angular contact ball bearings, aligning ball bearings, aligning roller bearings, cylindrical roller bearings, bearing a round, spiral roller bearings, thrust bearings, thrust ball bearings, thrust angular contact ball bearings, thrust spherical roller bearings, thrust needle roller bearings, thrust tapered roller bearings, turntable bearings, spherical ball bearings outside of cv and other bearings
參展范圍各類軸承:冶金礦山軸承機床主軸軸承軋機軸承微型軸承組合軸承滾珠軸承滾筒軸承滾針軸承滾子軸承陀螺儀軸承高精軸承高速軸承帶座軸承直線運動軸承低噪音軸承潤滑軸承超低溫軸承耐腐蝕軸承關節軸承深溝球軸承角接觸球軸承調心球軸承調心滾子軸承圓柱滾子軸承圓軸承螺旋滾子軸承推力軸承推力球軸承推力角接觸球軸承推力調心滾子軸承推力滾針軸承推力圓錐滾子軸承轉盤軸承外球面球軸承等速萬向節及其它軸承。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。A new study of specially spherical - glowing optical fiber is present in this paper, a large core silica optical fiber is melt the ball and is spread all scattering body evenly on the round spherical terminal surface, which is melt the ball to the spherical terminal surface again, thus getting the output optical fiber needed. 4. designing the system of testing the specially spherical - glowing optical fiber
3 .設計研製了一種特殊球形輸出光纖,實驗中採用大芯徑石英光纖,利用光纖熔接機對石英光纖端面進行熔球,在圓球形端面上均勻塗上光散射體,對所得的球形端面再次進行熔球,從而得到所需要的輸出光纖。Slotted raised cheese head with shoulder
開槽球面圓柱頭軸位螺釘To machine the honeycomb sandwich, an interpolation method based on a rotary axis is also studied. with the round vector function and rotary movement group, a model of the error curved surface of the theoretical ellipsoid is set up to describe the actually measured surface
以圓矢量函數和回轉運動群為工具討論了曲面的誤差變換,利用理論橢球面的誤差曲面建立了實測曲面的數學模型,通過求解理論曲面的法線實現了實測曲面的等距計算和陰陽面數據轉換。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。分享友人