橢圓柱 的英文怎麼說
中文拼音 [tuǒyuánzhù]
橢圓柱
英文
cylindroid-
If the objective lens is closer to the compact disk than the focal length of the object lens, then the cylindrical lens creates an elliptical image on the photodetector array
如果物鏡與光盤之間的距離短於物鏡的焦距，柱面透鏡就會使在光電探測器陣列上的成像變成橢圓影像。If the objective lens is further away from the compact disk than the focal length of the object lens, then the cylindrical lens again creates an elliptical image on the photodetector array
如果物鏡與光盤之間的距離長於物鏡的焦距，柱面透鏡也會使在光電探測器陣列上的成像變成橢圓影像。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。On the ground of educative theory, this paper exposits connotation and characteristic of project - based learning and why we should also enforce project - based learning in high school. as far as substance of project - based learning and objective circumstance what it should have are concerned, it points out the practical ability. at last, based on that university physics education has relatively longer cycle, it proposes stage pattern for enforce project - based learning and give two concrete cases, which discuss capacitance of confocal oval - shaped stylar capacitor and potential distribution of charged conductor of surface being uniparted hyperboloid
本文在具體的教育理論指導下，闡述了研究性學習的內涵及特點；在大學物理中實施研究性學習的意義；以及就研究性學習的實質和所需具備的客觀條件而言，論述了研究性學習在高校中實施的可行性；並根據大學物理教育具有周期性相對較長和專業循序漸進的特點，提出了研究性學習的階段性模式，並給出了具體的實例，利用保角變換法討論了共焦橢圓柱形電容器電容及單葉雙曲面帶電導體的電位分佈。( 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。Compression couplings with olives ; cylindrical thread nipples for use with union nuts
橢圓形壓接連接的管接頭.用聯管螺母連接的圓柱形螺紋Calculation of the band structures in two - dimensional phononic crystals consisting of elliptic cylinders
二維橢圓柱散射體聲子晶體帶結構的計算Olive type compression couplings ; male stud elbows
橢圓形壓接管接頭.螺柱式插接肘節管Olive type compression couplings ; male stud tees stud run
橢圓形壓接管接頭.螺柱式插接三通管接頭螺柱插接Olive type compression couplings ; male stud tees stud branch
橢圓形壓接管接頭.螺柱式插接三通管接頭螺柱分管Distribution of charge and electric field on a conductive elliptic cylindrical
導體橢圓柱面的電荷及場強的分佈A precise solution for torsion of bars with hollow elliptical cross section
一類橢圓截面空心柱體扭轉的精確解Its fundamental is that the ray emitted from a focus ( front ) of elliptical will flock together on the other focus ( back ) by the reflection on the elliptical surface. we set a scatter aperture on the back focus
橢圓柱面的前焦線上是射線源，晶體固定在一個橢圓基底上，其表面構成一橢圓柱面， x射線經晶體衍射后會聚於後焦線上。Firstly, the hertz contact theory is used to design the export moment of the prototype ; deformation status of the flexspine under the elliptical cam wave generator action is analyzed using the column shell theory, whose boundary condition is four force action. design proposal of the wave producer put forward considering the precision theory of rolling friction transmission
首先用赫茲接觸理論對樣機的輸出力矩進行了設計;應用四力作用下的光滑圓柱殼體理論分析了在橢圓凸輪波發生器作用下柔輪的變形狀況，結合滾動摩擦副傳動精度理論提出了波發生器總體設計方案。Keywords : circular couette flow, taylor vortex, fluid instability, elliptical inner cylinder
關鍵詞：圓形庫頁特流、泰勒渦漩、流體不穩定、橢圓形內柱。Mathieu function is the base of field theory analysis in elliptical cylinder coordinate system. so, firstly, detail investigation has been given about the problem of numerical analysis of matheiu functions, based on the predecessor ' s contribution, an improved faster algorithm of numerical analysis and confirmation algorithm of matheiu functions has been presented
Mathieu函數是橢圓柱坐標系統下場論分析的基礎，因此本文首先對mathieu函數的數值計算問題進行了詳細研究，並在前人基礎上完善並進一步改進了目前被認為較為可行的數值演算法，並提出了驗證演算法。Coordinates of the elliptic cylinder
橢圓柱坐標System identification model of scattering electromagnetic field for an ellipsoid
橢圓柱體對電磁波散射的系統辨識模型Firstly, the paper analyzes the basic airfoil profile in theory. its forepart adopts ellipse column shape and its back - end adopts plane shape. simultaneously, the 3d parametrizing model is set up
首先，本文是從理論上對基準翼型進行了分析，前段曲線部分採用橢圓柱結構，后緣部分採用平面結構，建立了飛機機翼的三維參數化模型。分享友人