有圓面孔的 的英文怎麼說
中文拼音 [yǒuyuánmiànkǒngde]
有圓面孔的
英文
forate-
Some of them are of advanced ones, such as 5 - face grinding machine, electronic beam perforator, vacuum brazing equipment, curvic coupling grinding machine, controlled atmospheric quenching over, 4 - axis and 5 - axis nc milling machines, equipment for multi - component impregnation, heavy - duty grinder and high speed broacher, etc
擁有先進的五面磨床電子束打孔真空釬焊圓弧端磨可控氣氛淬火爐和四軸五軸數控銑床以及多元共滲強力磨削快速拉削等一批先進加工設備。English, french, spanish, portugese, georges, and louises, doubloons and double guineas and moindores and sequins, the pictures of all the kings of europe for the last hundred years, strange oriental pieces stamped with what looked like wisps of string or bits of spider s web, round pieces and square pieces, and pieces bored through the middle, as if to wear them round your neck - nearly every variety of money in the world must, i thin, have found a place in that collection ; and for number, i am sure they were like autumn leaves, so that my back ached with stooping and my fingers with sorting them out
其中有英國的金基尼雙基尼,法國的金路易,西班牙的杜布,葡萄牙的姆瓦多,威尼斯的塞肯,有最近一百年歐洲各國君主的頭像,有古怪的東方貨幣,上面像是縷縷細繩張張蛛網有圓的有方的,有中間帶孔的,好像可以串起來掛在脖子上。我估計差不多世界上每一種貨幣都被搜羅全了。至於數量,我相信大概跟秋天的落葉一樣多,我總是彎著腰,手不斷地整理著,一天下來弄得疲憊不堪。This thesis primarily makes below the work of a few aspects : ( 1 ) the method to append the section line in the geological section plane and the geological plane graph intersected each other ; ( 2 ) the principle and method that automatic determinate of orebody on transverse section with the neural network theory was presented, and draw the slippery boundary of ore ; ( 3 ) the method that drawing the surveying well and lane way engineering in the geological and survey graph ; ( 4 ) the method to automatic calculation and statistics output ore reserves and grade ; ( 5 ) the method that automatic creating the geology cross section of the hole ; this thesis realizes automation for managing geological graph based on the substantive research work
本論文主要作了以下幾個方面的工作: ( 1 )提出了在相交平面圖和剖面圖中添加剖面剖切線的方法; ( 2 )提出了應用人工神經網路理論確定剖面中礦體界線的理論和方法以及礦巖界線圓滑的原理與方法; ( 3 )實現了礦山生產實測工程數據處理與地測圖件的有機結合; ( 4 )實現了礦塊地質品位和儲量的自動計算和統計輸出; ( 5 )提出了中深孔炮孔排面地質剖面圖自動剖切的原理和方法。本論文在大量研究工作基礎上,實現了地測圖件管理的計算機自動化。This was how it was : a spring of clear water rose almost at the top of a knoll. well, on the knoll, and enclosing the spring, they had clapped a stout log - house, fit to hold two score of people on a pinch, and loop - holed for musketry on every side
它是這個樣子的:一股清泉幾乎是從一個小丘的頂上湧出來,這樣,在小丘上面,他們圍著泉水用圓木搭了座結實的木屋子,危急時刻,裏面可以容納四十人,四面都有射擊孔。Mr hardwick said the new offices would help to dispel some outdated perceptions of london ? “ fog, bowler hats and the stiff upper lip ”
哈德威克先生稱,這些新的辦事處將有助於人們消除對倫敦某些過時的印象? ? 「迷霧,圓頂禮帽和刻板的面孔」 。A patch antenna with etched holes on the ground plane is also studied. the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment. the results show that the surface waves are suppressed greatly, the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane
全面地研究了地面腐蝕周期圓孔結構的電磁晶體貼片天線在基波頻率處的性能,用fdtd方法並結合pml邊界處理技術對該天線所取得的研究結果顯示,本文設計的地面腐蝕型電磁晶體結構抑制了貼片天線中的表面波,增加了天線的帶寬,並有效地削弱了旁瓣,使天線的e面方向圖上110和260方向的兩個旁瓣被削弱了10db 。A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident
用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件,推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析表達式,研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式,重新檢查了通常的菲涅爾數公式的有效性.數值計算顯示,應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致The research result indicated : for the strip primary mirror discussed in this article, the hexagon light - weighted cell has the best structural rigidity quality, the square cell is a little worse, the triangle cell is the worst ; there is an optimum on primary mirror thickness ; on condition of 1g gravity load combining with 4 centigrade uniform temperature rising, the thinner and higher of the flexible support reed, the better of the primary mirror surface figure. the decision of the structural parameters of the flexible support reed must take static rigidity, dynamic rigidity, static strength and dynamic strength of primary mirror assembly into account
研究結果表明:對于本文的長圓形主鏡,採用正六邊形輕量化孔,鏡體結構剛性品質最好,正方形次之,正三角形最差;主鏡鏡體厚度存在最佳值;主鏡組件在1g重力、均勻溫升4共同作用的工況下,主鏡柔性支撐簧片厚度越小、高度越高,主鏡綜合面形誤差( p - v值)越小,但同時主鏡組件的剛體位移增大、固有頻率下降,因此柔性支承結構參數的確定要綜合考慮主鏡的綜合面形誤差和主鏡組件靜態剛度、動態剛度、靜態強度和動態強度等因素。Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results
文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上,對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述,並提出在傳統的平面圓孔擴張理論基礎上加以改進,採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬,從而得出土體位移、應力、初始超孔壓的空間解析解,同時採用有限元分析、模型槽試驗相互印證的研究方法In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results
本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )進行了理論分析,建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。Hollow taper interface with flange contact surface - part 2 : receivers - dimensions
帶有法蘭接觸面的空心圓錐介面第2部分:安裝孔-尺寸Aiming at the shortage of material information, tolerance information, technical information, and so on in the model, the author conducted a research on a step based and feature oriented method to integrate the information in the model. the models for several common features were created. they are hole feature, planar face feature, outer - round feature, planar pocket feature, revolved groove feature, circular pattern feature, and rectangular pattern feature
針對現有數據模型在材料、公差以及工藝信息等方面的缺失,研究了在基於step的面向特徵的產品數據模型中集成這些信息的方法,建立了一些常見特徵,如孔類、平面、外圓、平面槽及旋轉槽、圓周陣列、矩形陣列等特徵的信息模型,並用express語言來表達,該模型不僅包含幾何拓撲信息,而且增加了公差、工藝路線、裝夾定位、加工方法、及材料等信息。Pujiang tianhe crystal craftwork factory is a manufacture in all kinds of crystal frame crystal craftwork glass craftwork acrylic craftwork hotel commodity and crystal glass houseware and so on we have rebuilded design by ourselves milling machine profiled machine carve machine roll machine bevel edge machine and all kinds of produced machine such as drill machine press model machine inner - carve machine facet hot flex machine and silk - screen machine etc own professional designers machanician have immovable worker 120 thereinto high - grade antificer 5 intermediate 10 professional qc 15
廠里有自行改造設計的水晶玻璃平磨機異型機雕刻機滾圓機斜邊機,以及各類用於工藝品加工和生產的機器如鉆孔機壓型機內雕機刻面機熱彎機絲印機等。The outline of fiber ' s tip has very great influence on the coupling efficiency. it is reported, using the way of grinding and melting to form a microlens on the fiber ' s tip, can increase fiber ' s numerical aperture, reduce the ellipticity of laser, and improve coupling efficiency
光纖端面的形狀對耦合效率有很大的影響,有文獻報道,採用拋磨燒熔等加工方法,可在光纖端面形成一個微透鏡,增大光纖的數值孔徑,對入射激光進行橢圓度校正,從而提高耦合效率。Special security features have been incorporated into the new definitive stamps. they include the use of a new type of stamp paper with multiple security fibres and an elliptical perforation in the middle of each vertical of the stamp. for high value stamps, iridescent ink is printed in the middle to give a shiny effect when viewing the stamp at different angles
新通用郵票在多方面加強了郵票的防偽特徵,包括印刷郵票選用紙張混有多種纖維,而郵票左右兩邊的垂直中間位置則有橢圓齒孔;高面額郵票的中間部分更以幻彩變色油墨印刷,即使從不同角度觀看,郵票都充滿光澤。She has a round face, two small black eyes, a straight nose, a big mouth and two small ears
她有一張圓的面孔、二隻小黑眼睛、一個平直的鼻子、一張大嘴和二個小耳朵。Owing to the cylindrical surface of piston and jar hole, radial piston pump can be assembled accurately. compared with the axial piston pump, the radial piston pump is better against impact, moreover, it has longer life, higher cubage efficiency and higher control precision
由於徑向柱塞泵具有柱塞與缸體內孔均為圓柱面,易達到高精度的配合等結構特點,因此,比軸向柱塞泵耐沖擊、壽命長、容積效率高、控制精度高。Through the detailed analysis of cavity expansion theory, strain path method and finite element theory applied in jacked pile, some deficiencies are put forward. according to the analysis, some main original work are made. firstly, on the basis of strain path method ( spm ), closed - form analytical expressions of displacement fields caused by the installation of jacked pile are obtained in small strains
本文首先詳盡地分析了圓孔擴張理論、應變路徑理論、有限元理論在靜壓樁擠土效應方面存在的不足,並在此基礎上做了如下工作: 1 、基於spm法的理論基礎,在小應變假定情況下,推導了靜壓單樁周圍土體位移場的解析解。With two structures of bore cylindrical or tapered and retainers made of steel sheet or synthetic resins, the bearings are characteristic of their spherically formed outer ring raceways allowing for misalignment within 3 degree deflection between inner ring and outer ring, so as to compensate concentricity and deflection errors
詳細信息:調心球軸承由圓柱孔和圓錐孔兩種結構,保持架的材質有鋼板、合成樹脂等,其特點是外圈滾道成球面形,具有自動調心性,可以補償不同心度和軸撓度造成的誤差,但其內、外圈相對傾斜度不得超過3度。分享友人