標度弧 的英文怎麼說

中文拼音 [biāo]
標度弧 英文
scale arc
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  1. The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established

    論文首先在分析空間嚙合原理基礎上,採用坐變換法推導出面分凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對面分凸輪的嚙合特性進行了深入的分析和研究,對判斷曲面能否正確嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導,並給出算例。
  2. Secondly, the various conic arcs and conies are generated by the rational triangular bezier and the b - spline method in polar coordinates system

    其次,給出圓錐曲線及其補的三角有理b zier表示;以及任意角二次曲線的極坐b樣條表示。
  3. Examination of the density, strength, hardness and microstructure showed that the mechanical properties and structure of the part made by direct metal forming process are better than that obtained from selective laser sintering process, as good as or even better than castings

    對成形件進行的密、強和硬測試和金相組織觀察表明:基於焊的直接金屬成形件的組織結構和力學性能指明顯優于選擇性激光燒結工藝成形件,達到或高於鑄造零件。
  4. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速正解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿坐系位姿、速變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。
  5. The arc has a sweep angle of 180 degrees, which is counterclockwise in the default coordinate system

    的掃描角為- 180,此角在默認的坐系中是按逆時針方向旋轉的。
  6. We not only carefully discuss the clay ' s nature, its anti - sheer intension, the exponents of anti - sheer intension and the water pressure of the hole in clay, but also study varies analysis methods such as sweden strip method, stability coefficient method and bishop ' s simplified method of arc slice. finally, we thoroughly discourse upon the method of none arc slice in slope analysis

    論文中對粘土的抗剪強特徵、粘性土抗剪強的選擇應用和孔隙水壓力等問題進行了分析,同時對分析土坡穩定性的瑞典條分法、穩定數法、圓滑動面的畢肖普法以及對非圓滑動面的土坡分析方法進行了細致深入的闡述和分析。
  7. After thoroughly analyzing the influence of each pump parameters on the gear pump performance, the paper developes the criterion for optimum gear parameters, which can be utilizied in practice easily for gear manufacturing using normal involute gear hob with two - fillet type. the conclutions studied by the paper are : 1. both the addendum coefficient and the deddendum coefficient of the pump gear should be 1. 125

    以目前國內普遍使用的雙圓頭全齒高為2 . 5倍模數漸開線準滾刀作為泵齒輪的加工刀具,通過對齒輪加工原理的分析,提出了欲使泵齒輪參數達到最佳,泵齒輪的齒頂高系數和齒根高系數都為1 . 125 ;對變位系數的確定應考慮到泵齒輪的根切、齒頂厚、重合以及側隙因素;泵齒輪為避免過渡曲線干涉,必然要存在根切現象。
  8. In this article, we use idea of turning dispersion into convergence and put all the well ' s points into the same unit net to think about it. and answer three questions of the distribution of well drilling by the way of searching for groups of points. fincite - step - searching underthe condition of translationg fcoordinate system or revolving coordinate system. to first question. we find two algo - rithms and make use of data that is given to find the solution. we seek coorlinate of net point is co. 361, 0. 461 ) and mostly four old well ' s points are utilized at the same time by first algorithim, which are no. 2, no, 4, no. 5, no. 10. by second algorithm, we rechon the coordinate of net point is co. 390, 0. 505 ). and that mostly four old well ' s points are utilizld which are no. 2, no. 4, no. 10. to second question, we turn it into the first question by angling awt the center of net point. we seek that mostly six old well ' s points are utilized at the same time, which are no. 1, no. 6, no. 7, no. 8, no. 9, no. 11, when net is angled 0. 78 radian. and net point is translated to ( 0. 75, 0. 076 ) ( at nwe coordinate system ). to third question, wefind a necessary and sufficient condition and affer algorithms, at last, we analyse algorithms

    運用化分散為集中的思想,把所有的井點都放在同一個單位網格內考慮.在坐可平移、旋轉的條件下,利用尋找點群、有限步驟搜索法,對鉆井布局的三個問題進行了解答.對問題一,給出了兩個不同演算法.並對題目提供的數據進行了求解,演算法1得到的結點為( 0 . 361 , 0 . 461 ) ,最多有4個舊井點被同時利用,它們是第2 、 4 、 5 、 10個井點;演算法2得到的結點為( 0 . 390 , 0 . 505 ) ,最多有4個井點被利用,它們是第2 、 4 、 5 、 10個井點.對問題二,以結點為中心旋轉一定的角后,歸結為問題一進行求解,求解結果為當網格傾斜角為0 . 78(相對原坐系) ,結點平移到( 0 . 75 , 0 . 076 )點(在新坐系下) ,可被同時利用的最多舊井點為6個,它們是第1 、 6 、 7 、 8 、 9 、 11個井點,對問題三,我們給出了充要條件,並給出了演算法.最後還分析了演算法的優劣性
  9. Through the excel program, and combining the inside and outside environment of the excavation and stress field and displace field, the data of stress and displacement of points are analyzed in variable depth and load grade and terminal state. the spss software has been applied to the statistics of geometry parameter of failure surface, and the failure surface criterion is created by the linearity regression from d ( the longest horizontal distance between the failure surface and the side face of the slope ), ho ( the depth

    此外,應用spss軟體對試驗破壞滑的幾何參數進行統計分析,並對滑的最大水平深入距離d及d處至坑底的高h _ 0結合各水理指進行多元線性回歸,建立滑面的判據,並對此判據進行修正,且用實際工程對其進行評價,通過反算已知滑面的c 、值,表明邊界條件對破壞形式有極大的干擾作用,所直接看到的破壞類型土體不是發生整體滑移破壞,而是剝落式的潰屈破壞。
  10. The influence on the electromagnetic parameters, by the change of air ply, permanment magnet length and the magnetic pole arc coefficient, are calculated by the ansys software. the optimum parameter of the magnetic pole is obtained by solving the magnetic field

    運用有限元分析軟體ansys分析了通過改變電機極系數、磁鋼厚和氣隙厚對電機磁場的影響,以電機性能和磁鋼利用率為目對這些參數進行了優化。
  11. Because stl file, the defacto standard file format for the rapid prototyping manufacturing, has a trade - off between the accuracy and file size, a max - fit biarc curve fitting technique to reconstruct stl slicing data with higher accuracy and to decrease the file size remarkably is presented

    由於快速成型領域事實上的數據交換準stl文件格式在其文件大小與精之間存在著矛盾,從而影響了其加工解析,為此本文實現了一種最優雙圓擬合技術來提高微立體光刻裝置的加工解析
  12. The theory modeling and the field test data has indicated that, the measure and control bed on dimensional globoidal indexing cam mechanism success to complete the indexing precision examination, the input and output instantaneous torque and the motion curve accurate test, has achieved the anticipated test goal

    理論建模和現場試驗的數據表明:面分凸輪機構測試試驗臺成功完成了分的檢測,輸入輸出瞬時扭矩和運動曲線精確測試,達到了預期的各項測試目
  13. Experimental constants include : ambient temperature 291k ~ 301k, rh 15 % ~ 21. 2 %, wind velocity 3. 2m / s at the nozzle position and horizontal to the spray fan, others are same as the fore experiment. the tendency of the two experiments results is consistent with the tendency from simulation. that indicate the improved shield spray is better than the original shield spray in reducing spray drift, and also more better than conventional spray without shield

    風洞試驗參數:噴霧藥液為含1 bsf的水溶液,風速1 . 4m s ,風向垂直於噴霧扇面,溫281k 288k ,相對濕rh9 20 ;室內試驗參數:噴霧藥液為含2 bsf的水溶液,噴頭處風速為3 . 2m s ,風向平行於噴霧扇面,溫291k 301k ,相對濕rh15 21 . 2 ;分別在噴頭下風向噴幅外的空中和地面布點收集飄失和飄移沉積的霧滴量,作為評價減少霧滴飄失效果的指:試驗結果表明:改進后的罩蓋噴霧減少霧滴飄失的效果好於雙圓未開口罩蓋噴霧,常規無罩蓋噴霧的霧滴飄失量大於開口罩蓋噴霧。
  14. The influence of the arcuate structure in zoige area on the spatial distribution of the geochemical index concentration shows that geological structures obviously control the distribution of the near - surface geochemical fields

    若爾蓋地區的形構造對化探指的空間分佈的影響作用,表明地質構造對近地表地球化學場的分佈有明顯的控製作用。
  15. Point the left mouse button pressed football, scrolling mouse control standpoint, rolling below the white ball radian said, readjusting the release left mouse button can shoot

    點鼠左鍵按住足球,拖動鼠控制角,下面滾動的白色小球表示,調整好松開鼠左鍵即可射門。
  16. The game is very simple operation, which is to use the left mouse button shooting, the players distance from the ball speed of the decision, the decision radian angle, the ability to initiate arbitrary ball carefully to see your skills

    游戲的操作非常簡單,就是用鼠左鍵射門,球員距離球的距離決定速,角決定,能否提出精妙的自由球就看你的本事了。
  17. Based on genetic algorithm, the paper gives a optimization method for the design of spiral bevel gear with high tooth, which reaches the goal of high contact ratio

    摘要提出一種基於遺傳演算法的高齒齒錐齒輪的優化設計方法,該方法應用於實例計算,取得了比較好的效果,達到了大重合的設計目
  18. Angle a number, passed by reference, that identifies the angle of rotation, in radians, of the quaternion

    一個按引用傳遞的數值,識該四元數的旋轉角(以為單位) 。
  19. So, the vacuum degree in a vacuum interrupter is an important technology index that ensures the vacuum breaker functions of insulation and arc suppressing

    因此,真空滅室的真空是保證真空開關絕緣性能和滅性能的重要技術指
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