弧心 的英文怎麼說

中文拼音 [húxīn]
弧心 英文
arc center
  • 弧 : 名詞1. [數學] （圓周的任意一段） arc2. （古代指弓） bow
  1. A radian is the angle subtended by an arc of a circle whose length is just equal to the radius.

    一弧度就是長度剛好等於半徑的一段圓弧所對的圓心角。
  2. We have been closely cooperated with beijing institute of technology, one of the most prestigious university in china, and co - developed ion vacuum plating technique, multi - arc tin coating technique and twin - eccentric automatic fuel supply advancer in the recent years successively, and acquired many patents. the sag and scda series fuel supply advancer manufactured in one of our branch company : has adopted the advanced twin - eccentric blocks structure, thoroughly changed the traditional structurearc block, sliding block. the angle of advance is very accurate and precise, also perfect at position resume

    由本總公司提前器廠生產的sag scdm兩大系列供油角度自動提前器，改變了目前提前器市場上的傳統結構，用先進的雙偏心式結構，代替了二十年一貫制的弧形塊滑塊式結構，具有提前角特別靈敏，恢復性好，怠速運轉無噪音等優點，克服了提前器擺動大漏油等常見缺陷。
  3. They not only inherit the advantages of bezier curves and b - spline curves, also can be used to represent straight lines precisely and some remarkable transcendental curves precisely, such as circular arc, ellipse, cardioids and twisted pair line etc. especially, the uniform t - b - spline curve of three degrees is smoother than b - spline curve and c - b - spline curve of the same order

    此外由於它們還具有三角函數的優點，故既可以精確表示直線段、二次多項式曲線段又可以精確表示圓弧、橢圓弧等二次曲線以及心臟線、雙紐線等超越曲線。特別地， 3次均勻t - b樣條曲線曲面比同階均勻b樣條（ c - b樣條）曲線曲面具有更高的光滑度。
  4. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained ， and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式，建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線，不需要求解非線性方程組，避免了計算可能不收斂的麻煩，簡化了非圓曲線的節點計算過程
  5. The managing director of mlng, mr. ahmad nizam salleh, paid a visit to cpc headquarters with his delegation on june 7. they were cordially received by chairman pan and president chen

    本公司董事、監察人於6月8日在13樓圓弧廳聽取中長期經營發展計畫專案報告。會中除由陳總經理簡報公司整體經營發展方向外，並由五大核心事業部執行長分別報告策略目標及行動計畫。
  6. The culminating point of this sweep of walls was the papal gate, that is to say, near the present site of the pantheon

    這道弧形城墻的中心頂點是教皇門，即大致上相當于先賢祠的現在位置。
  7. Global left entricular function and remodeling was assessed using ejection fraction, end systolic olume, and sphericity index

    採用射血分數、收縮末期容積和弧形指數（請專家指正評價左心室功能和結構重構。
  8. Design of hydraulic hoists for eccentric trunnion sector gates of xiaolangdi project

    小浪底水利樞紐偏心鉸弧形閘門液壓啟閉機設計
  9. The vacuum interrupter is the heart of vacuum circuit break, which take charge of controlling the electric arc and breaking current

    真空滅弧室則是真空斷路器的「心臟」 ，擔負著電弧控制和電流開斷的重要任務。
  10. Bring your left next to it and rest its toes, and circle your hands downward and to the sides. 5. continue circling in and forward, until your hands cross in front of your chest, with your right hand over your left hand, both palms facing in. look ahead

    擠:兩手分開，掌心向下與肩同寬，重心后移，右腳腳尖翹起，同時兩手向下落至腹前，重心前移成右弓步，兩手向前向上弧形推出到胸的高度之後，向前平推與肩同寬，目視前方。
  11. Processing sets include : punch, lathe, drilling machine, contouring machine, grinding machine, wire cutting machine, spot welding, gas shield weld, late shears, cnc machined and cutting center

    加工設備包含：沖床、車床、鉆床、銑床、磨床、線切、氬弧焊機、點焊機、氣體保護焊機、剪板機、數控加工中心、切削中心。
  12. Axial magnetic field of a new cup type axial magnetic field vacuum interrupter contact with iron plates

    鐵心式杯狀縱磁真空滅弧室觸頭磁場特性
  13. Bring your hands up until they cross in front of your chest, with your left hand over your right hand, palms in. 5. open your arms to the side at shoulder height, with your elbows bent and your palms turning out

    擠：兩手分開，掌心向下與肩同寬，重心后移，左腳腳尖翹起，同時兩手向下落至腹前，重心前移成左弓步，兩手向前向上弧形推出到胸的高度之後，向前平推與肩同寬，目視前方。
  14. With the new - simple method, the equation of circle - arc - enveloping curve are deduced. also the relationship between the arc radius, the radius of center distribution and the distance of centers is given to avoid undercutting

    文中採用新方法推導出了圓弧包絡線轉子型線方程，還給出了避免出現根切現象的圓弧半徑、圓弧圓心分佈圓半徑以及中心距三者之間的關系。
  15. The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc

    計算了電流峰值時觸頭間隙中心平面和觸頭片上的縱向磁場分佈，可以看出加入鐵芯后縱向磁場強度和徑向磁場均勻性增強，這有利於提高真空電弧的穩定性。
  16. The algorithm of image processing is the key. due to anomalous welding seam, the intensive arc light, random breaking of the bubble and gathering of the gas in the welding area, the seam images captured contain a lot of noise. in this case the noise must be removed and the welding seam is positioned accurately

    本系統的圖像處理部分採用了ccd攝像頭和視頻捕獲卡，圖像處理的演算法是最關鍵的部分，由於焊縫圖像並不是十分規則，而且在焊接時還會受到強烈弧光、飛濺和工件表面狀況的影響，因此在這種情況下，必須有效的排除干擾把焊縫的中心位置準確找出來。
  17. Research on the dynamic stablity of arms in the radial gate under eccentric loading

    偏心荷載作用下弧形閘門支臂的動力穩定性研究
  18. A combined neural network and genetic algorithm with solving stability safety of homogeneous slope was proposed and the finite element method is applied to analysis the progressive failure process of the slope and the maximum equilibrium theory, requests out stability safety of homogeneous slope with the smooth arc radius of difference with the difference below the level coordinate of arc peak, utilizing the neural network algorithm to establish slidng the nonlinear mapping relationship between level coordinate of arc radious and arc peak, being adapted the neural network algorithm to look for along the minimal stability safety of homogeneous slope and corresponding arc radious and arc peak

    提出了求解邊坡穩定性安全系數的神經網路與遺傳演算法。該方法採用有限元分析和極限平衡理論，求出不同的滑弧半徑和不同的弧頂水平坐標下的邊坡穩定性安全系數，利用神經網路演算法建立滑弧半徑和弧頂水平坐標與安全系數之間的非線性映射關系，採用遺傳演算法搜索邊坡的最小穩定性安全系數及相應的滑弧半徑和滑弧中心坐標。
  19. Steel casting : 20 tons arc - furnace steelmaking, 40tlf refiner furnace ; the max elevating capacity 125t ; the max casting products 80t, dimension of casting products length, width, high 8. 54. 53m, spun casting min outer diameter, min wall thickness, max length 1000154000mm ; various specification steel strands

    鑄鋼: 20t電弧煉鋼爐40tlf精煉爐最大起重能力125t最大鑄鋼件80t鑄鋼件最大尺寸長寬高8 . 54 . 53m離心澆注最大外徑最小壁厚最大長度1000154000mm各種規格連鑄坯。
  20. Cracking failure of centrifugal compressor ' s impellers was analyzed, the welding craters in the impellers led to stress concentration. the unsteady gas flow accelerated the development of cracks in the impeller

    摘要針對某石化公司離心壓縮機葉輪多次發生開裂、掉塊等故障以及裂紋形成機理進行了分析。分析結果表明了葉輪開裂原因系疲勞開裂，葉輪焊接缺陷產生了焊接弧坑，造成表面應力集中，氣流激振加速了裂紋擴展。
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