dimensional accuracy 中文意思是什麼

dimensional accuracy 解釋
尺寸的精確性
  • dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的;…次(元)的。
  • accuracy : n. 正確,準確(度);精確。 firing accuracy 命中率。 with accuracy 正確地。
  1. Xm ) trundle needle, trundleing the post thrust bearing trundles the needle through the roll part of the body, cylinder roller and thrust maintain shelf and the thrust bed down the livestock to make up, trundleing needle and the cylinder roller is subjected to the shelf maintaining that the thrust maintains and guides. moreover thrust bed down the livestock against the difference, shaft, the pedestal encircles and employs in company, fix module shaft shoulder end face and the shell opening back plane dimensional tolerance, geometry accuracy, rigidity, axial is moved up and down, coarse degree ought to accord with the internation , national standard stipulation demand

    滾針,滾柱推力軸承由滾動體滾針,圓柱滾子及推力保持架和推力墊圈組成,滾針和圓柱滾子受到推力保持的保持架引導,並與不同的推力墊圈,軸,座圈一起使用,安裝組件的軸肩端面和外殼孔底面的尺寸公差,幾何精度,剛性,軸向跳動,粗糙度應符合國際,國家標準規定的要求。
  2. A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper. formulae of the restriction and prolongation in mgm computation is deduced, and a 3d program of mgm is accomplished, which can solve the field distributions in electron optical systems for various electrostatic lenses. the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively. comparing these two results in view of computational efficiency and computational accuracy, it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem. this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time

    本文將一種高效率的數值計算方法? ?多重網格法引入三維靜電場分佈的計算,多重網格法利用限制和延拓可迅速求得滿足精度要求的場分佈.研究了求解各種靜電透鏡電子光學系統三維場分佈的多重網格法程序,驗算了靜電同心球模型的三維場分佈.通過與目前在場計算中常用的有限差分法進行比較,可以看出多重網格法的計算效率和計算精度優于有限差分法.本文表明利用多重網格法計算三維場大大提高了場分佈的計算效率,縮短了計算時間,因此為后續計算打下了良好的基礎
  3. But setting - up on the basis of being worth picture element for the three - dimensional space coordinate, it is fast to run ; free of luminance, the accuracy is high

    該模型基於以r 、 g 、 b為坐標的三維空間,運行速度快;不受亮度影響,精確度高。
  4. In collaboration with the department of physicis and material science of the city university of hong kong and the electronic and engineering department of the chinese university, the faculty of medicine has conducted research on different aspects of computer - aided navigation such as brain shift prediction with finite element model, three - dimensional ultrasound based correction for brain shift, accuracy verification, robotic system, surface identification and matching

    通過與香港城市大學物理及材料科學系及香港中文大學電子工程學系的協作,我們正發展電腦輔助的神經導航技術的多方面研究,例如,採用有限元模型預測腦偏移;除去腦偏移的誤差的立體超聲檢查技術;手術準確性的證實;腦表面區域的定位。
  5. It was shown that the dimension analysis was an effective method in simulating the complex laser bending process, and the control model that came from non - dimensional group data of simulations, was a high - accuracy model in predictive analysis

    研究結果表明,利用量綱分析法模擬復雜的激光彎曲過程是簡便有效的,基於模擬模型無因交次群組合的設計相應的參數可使控制模型達到較高的預測精度。
  6. Fasteners ; technical delivery conditions ; design and dimensional accuracy

    緊固件.交貨技術條件.結構和尺寸精度
  7. Method for presentation of dimensional accuracy data in building constructions

    建築施工尺寸精確數據的表述方法
  8. A projector is applied to inspect the drill geometry and dimensional accuracy

    例如鉆頭的幾何形狀及尺寸精度是以精密投影機檢驗。
  9. Building construction - tolerances - expression of dimensional accuracy - principles and terminology

    建築物結構.公差.尺寸精度表述法.原則和術語
  10. Moreover, the addition of wollastonite rose the thermal distortion temperature of the sls part, improved the dimensional accuracy of the sls part, and lowered the material cost greatly

    同樣,加入硅灰石后,可使燒結件的熱變形溫度大幅度提高,同時提高了燒結件的尺寸精度,大大降低了材料成本。
  11. As an important step, the roll groove design - the selection of the roll groove system and the determination of the dimension, makes the decisive effect on the dimensional accuracy and the mechanic character of the tread steel bar

    孔型設計作為螺紋鋼筋生產中的重要環節,對螺紋鋼筋尺寸精度的高低起著決定性作用,孔型系統的選擇及孔型尺寸的確定直接影響到成品鋼筋的尺寸精度及其機械性能。
  12. Designing with this software can shorten the design cycle of the new product, lowering the consumptions of the new production and the production cost, advancing the dimensional accuracy. it has the important significance for increasing the economic benefit of the enterprise

    經過工廠實踐使用表明,利用這個軟體進行設計起重機小車,極大地縮短了新產品的設計周期,降低了設計和生產成本,使得在設計方面耗費的時間降低、設計效率高,對企業生產效率及經濟效益的提高具有重要意義。
  13. The steel bar produced in our country is not good as that produced by steel developed country in terms of mechanic character, dimensional accuracy etc. it is important to produce high performance and dimensional accuracy steel bar for the marketplace and link orbit of international marketplace

    我國生產的鋼筋在機械性能、產品尺寸精度等與鋼鐵發達國家相比還存在著一定的差距,為了滿足市場需求,盡快與國際接軌,生產出機械性能好、尺寸精度高的鋼筋顯得十分重要。
  14. Designing with this card system can shorten the design cycle of the new product, lowering the consumptions of the mills and the production cost, advancing the dimensional accuracy and the mechanical character of the finished thread steel bar. it has the important significance for increasing the economic benefit of the enterprise

    採用本螺紋鋼card系統進行孔型設計,極大地縮短了新產品的設計周期,降低了軋機能耗和生產成本,提高了螺紋鋼筋成品的尺寸精度和機械性能,對增加企業經濟效益具有重要意義。
  15. To solve the inaccuracy problem caused by the two existing methods ( average end - area method and prismoidal method ) used for the calculation of roadway earthwork volume, this paper puts forward a new concept of the 3 - dimensional algorithm that takes all the roadway geometric design procedures as a kind of geometrical operation between the ground model ( original terrain model ) and the roadway model ( designed model ) under certain constraints, and then presents a complete 3 - dimensional algorithm of roadway earthwork volume as well as its executable computer program. the algorithm benefits from the re - triangulation technique of constrained delaunay triangulation ( cdt ), which can yield a true volume value theoretically. through a number of practical tests covering varied intervals between adjacent cross sections, it is proven to possess a higher accuracy compared with that of traditional methods. all the work involved in this paper indicates that the 3 - dimensional calculation of roadway earthwork volume is feasible, more accurate and should have further application in practice

    針對目前廣泛使用的道路土方量計算方法平均斷面法和稜柱體法計算不準確的缺點,提出了三維土方量計算演算法的概念.該演算法以帶約束的狄羅尼三角化( cdt )為技術核心,認為所有道路幾何設計過程都是地面模型和道路(設計)模型進行幾何運算的結果.基於此,本文設計出相應的演算法步驟,同時完成了相應的軟體開發,使得該三維演算法能和傳統的方法進行對比.此外,結合工程實例,採用了不同的道路橫斷面間距對三維計算方法和傳統方法的誤差進行比較、分析.結果證明三維演算法具有更好的精度,該演算法可用於道路、場地平整等工程土方量計算
  16. This two kinds of methods make a good use of the information supplied by multiple - dimensional feature space and enhance the accuracy of segmentation

    這兩種方式有效地利用了多維特徵空間對于分割目標所提供的信息,使分割的準確性有了較大的提高。
  17. Product characteristic : vmate entire, function table model keyboard ; peleco " d p " agreement, baud rate 4, 800, peleco " p " agreement, baud rate 2400rj - 45 connection ; the three dimensional rocking bar may carry in the accuracy control keyboard to quick ball each kind of speed the pressed key to be allowed to choose the camera the address ; transfer ball machine function menu ; processing pre - placed position ; opens and closes the small aperture ; focal variation and focusing lens ; the start stops automatic and the random scanning function

    三維搖桿可對快球的各種速度進行精確控制鍵盤上的按鍵可以選擇攝像機的地址碼調用球機功能菜單處理預置位打開及關小光圈變焦及聚焦鏡頭啟動停止自動及隨機掃描功能
  18. The estimation of additive and dominance effects through qtl analysis by one - dimensional search while ignoring epistases showed similar accuracy to that by two - dimensional search by including epistases. existence of epistases could decrease the precision for the estimation of additive and dominance effects. the estimation of genetic main effects would be biased if ignoring the interaction effects of qtl x environment ( qe )

    忽略上位性效應的一維搜索qtl分析對加性效應和顯性效應的估計精度與包括上位性的兩維搜索qtl分析對這兩種效應的估計精度相差不大,上位性的存在可能會降低對這兩種效應估計的精度;忽略qtl環境( qe )互作效應會導致對遺傳主效應的有偏估計,而包括qe互作效應的多環境聯合分析能夠提高對遺傳主效應的估計精度。
  19. Abstract : aimed at surveying method of three - dimensional traverse, this paper makes research on accuracy matching of three - dimensional traverse by electronic total station, and comes to the conclusion that rating - planimetric - traverse matches well with corresponding rating - vertical - traverse

    文摘:利用全站儀可以將平面控制測量和高程式控制制測量融為一體三維控制測量.針對全站儀三維導線的作業方法,討論了它的精度匹配問題,得出等級平面導線與對應的等級高程導線相匹配的結論
  20. As an efficient approach to improve the accuracy of numerical weather prediction, four - dimensional variational assimilation is widely focused on by the domestic and overseas experts. one of its important characteristics is that the data in one time can influence previousanalysis results, which can not only provide the optimized initial condition but also make up observation datum ' s absence in some areas

    四維變分同化方法作為一種提高數值天氣預報的有效方法受到國內外專家的廣泛關注,其重要特點是一個時次的數據可以影響到它以前時間的分析結果,因此不但可以為數值預報模式提供初始場,而且可以對觀測資料不足的地區加以彌補。
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