項平面 的英文怎麼說

中文拼音 [xiàngpíngmiàn]
項平面 英文
nuchal plane
  • : Ⅰ名詞1 (頸的後部) nape (of the neck) 2 (款項) sum (of money) 3 [數學] (不用加、減號連接...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. With the rapid development of economy in china, vehicle volume is increasing heavily. therefore, the consequent traffic problems of traffic congestion, traffic accidents and environment pollution become a headache of city managers. intersection as the hinge of city traffic system, vehicles, pedestrians and bicycles join together in the intersection

    本文依託國家自然科學基金重點目《城市路網動態交通管理與控制關鍵理論及其模擬技術研究》和國家自然科學基金目《混合交通中的機非沖突機理與基本參數研究》 ,對交叉口轉彎車流交通組織優化方法進行了研究。
  2. With the concavity and integrability of sublinear terms near zero, the symmetry results for a class of sublinear elliptic equations are given by making use of the moving - plane method

    本文利用次線性在零點附近的凹性和可積性,用移動法給出了一類次線性橢圓方程正解的對稱性
  3. The technology of uncooled infrared focal plane arrays ( fpa ) is a new developing way for wide commercial applications and military applications, for it owns the advantages of light weight, no need of cryogen, low cost and so on

    由於非致冷紅外焦陣列系統具有重量輕、無需致冷、成本低等優點,有廣泛的軍用和民用市場,因而這技術是一個行之有效的發展新方向。
  4. Abstract : the paper probed the analysis on the adding mode of perpendicular load in multistorey building structures, the bending moment of frame side beams and the top, the bending moment of secondary beams, the difference between the tie - beam, plane - frame analysis and the space analysis on the path of conduct force, ect. it can be used as a reference when probing these problems

    文摘:討論了在多高層建築結構分析中垂直荷載加載模式的選擇,框架邊梁和次梁端部的彎矩計算,連梁問題和框架分析與空間分析在傳力路徑上的差別以及單片剪力墻外彎矩等問題,可供同類結構內力分析時參考
  5. Methods : fifty paired embalmed cadaveric humeri ( twenty - five pairs : fourteen from male donors and eleven from female donors ) were scanned in medial - lateral ( ml ) and anterior - posterior ( ap ) position according to the humeral retroversion by ct. images of the humeri in the transverse planes at the lowest border of neck ( lbn ), 20mm and 40mm distal of lbn ( lbn - 20 、 lbn - 40 ), isthmus, head - neck anterior - posterior ( hn - ap ) were obtained. sixty - one extracortical and intracortical parameters were measured exactly by image analytic computer software that included offset, head position, head - shaft angle, head to tuberosity height ( ht ), head thickness, curvature radius, articular surface arc ( sa ), neck diameter, isthmus position, proximal and distal border of isthmus, maximum coronal and sagittal diameter of medullary canal and thickness of cortical bone in four planes, including lbn, lbn - 20, lbn - 40 and isthmus

    方法: 50根成對防腐肱骨(男14對,女11對)按肱骨頭扭轉角置於冠狀位和矢狀位,行肱骨全長,頭頸矢狀,解剖頸下緣及其下20mm 、 40mm ,髓腔狹窄部四ct掃描,由ct軟體測量冠、矢狀位髓腔內外參數共61,包括頭心?干軸距,頭位置,頭干角,頭?結節高度差,頭厚度,頭半徑,關節張角,解剖頸直徑,髓腔狹窄部位置,解剖頸下緣及其下20mm 、 40mm和狹窄部四個髓腔的最大冠、矢狀徑,皮質骨厚度等。
  6. 1to complete shopping drawing accord the information and order from project management department, inc lay - out plan drawing adjust, detailed shopping drawing

    根據目部提供現場資料進行深化設計,包括:布局調整、節點施工圖。
  7. In order to manufacture this type of worm gear drive precisely and cheaply, we should explore a whole new dis - dual generating method. as a part of the project " the modeling and simulation of planar double - enveloping toroid worm gear drive ' s intelligent manufacturing method ", this dissertation focuses on the 3d modeling of planar double - enveloping toroid worm gear in computer. the author of this dissertation has completed lots of studies and researches in this field and has found some new methods for the 3d modeling of worm gear drive

    本文作為「二次包絡環蝸桿副智能加工的建模與模擬」研究目的一個組成部分,主要以在計算機中對二包蝸桿副進行三維建模和數字化造型為目標,在嚴格推導共軛齒的基礎上對二包蝸桿副齒的組成進行了tca分析,並運用適當的數學方法對蝸桿副型進行重構,獲得了適合於計算機表達的二包蝸桿副三維數字化模型。
  8. The comprehensive e - platform was cited by the wsa as an exemplary model of private and government sector co - operation

    的電子服務臺更被世界信息峰會視為政府與私營機構的合作典範。
  9. A numerical simulation of a planar 3r manipulator is performed. the results show that the non - linear torsion springs have important influences on the joint error and tip error of manipulators. moreover, the influences of linear part of non - linear, the lumped mass of the rigid links and the angular acceleration of joint actuators on the non - linear dynamic character of flexible joint manipulator are discussed

    首先,建立了剛性桿非線性關節機器人的動力學模型,之後通過一3r機器人進行了數值模擬,說明了在一定情況下,關節的非線性對剛性桿機器人關節變形和末端誤差具有重要影響,並在此基礎上,討論了關節線性、桿的集中質量和關節驅動加速度對機器人關節非線性特性的影響。
  10. 925 sterling silver short chain necklace with large faceted clear crystal ; toggle closure

    925英鎊銀色短鏈鏈與大在上雕琢的清楚水晶;乒乓鍵關閉。
  11. Distribution of limit cycles for a class of higher - degree degenerate planar polynomial systems of codimension two

    一類余維2的高次退化式系統的極限環分佈
  12. Distribution of limit cycles for a class of higher - degree degenerate planar polynomial systems of codimension two is discussed

    摘要討論了一類余維2的高次退化式系統的極限環分佈,證明了此系統至多存在3個極限環。
  13. Marketing and web design including consultation, media buying, public relations, branding, logos, print graphics, and copywriting

    -從事市場戰略品牌策劃vi形象產品包裝宣傳用品等設計目。
  14. In the study on level wise search algorithm, the structure and character of three basic frequent set discovery algorithms ais, apriori and dhp are studied by simulation. a model of level wise search algorithm is given and its time complexity is analyzed respectively on transaction scale, item length and support parameter

    在分層搜索演算法的研究方,本文模擬分析了ais 、 apriori和dhp三種基本演算法的結構和特點,構造了一個分層搜索演算法的時間復雜度模型,從事務規模、數據均長度和支持度三個方,對分層搜索演算法的時間復雜性進行了分析和驗證。
  15. On the condition of “ many - head ” and “ small drive ratio ” , the plane double enveloping hourglass worm can not settle the problem of undercutting and sharpening simultaneously. it has devoted to a new type hourglass worm _ sphere double enveloping hourglass worm. the coordinate system is established according to the frock. the meshing equation and the tooth equation of worm and gear have been developed and the distribution of contact line on gear tooth is analyzed. to evaluate the meshing quality , four meshing quality indexes and five original parameters are put forward. through mass programming computing , the relations between meshing quality and original parameters are derived and depicted by graphs

    考慮到二次包絡環蝸桿傳動在多頭小傳動比條件下根切與齒頂變尖的矛盾很難同時解決且嚙合性能較差,介紹了一種新型環蝸桿傳動? ?球二次包絡環蝸桿傳動.在研究過程中,根據工裝建立了坐標系,根據一二包過程的運動關系推得了嚙合方程和蝸桿與蝸輪的齒方程,分析了蝸輪齒上的接觸線分佈.為了評價嚙合性能,提出了4性能指標和5原始參數,通過大量編程計算得到了嚙合性能指標與原始參數之間的關系,並以圖表直觀的表示
  16. The curves of the consolidation settlement in soft clay base of flood land are gained, which compare the effect of sand drain. the settlement - time curves in different period are also gained, which increase the height of embankment to 8m, based on the test data of hang - yong highway. furthermore, the consolidation settlement characters of these entity engineering are analyzed, and, the variation rules of the rate of grade and degree of the curves in different period in the whole section, the maximal settlement and the liner regression relations between the rate of grade and degree are calculated

    本文利用大變形固結有限元分析程序( lscfea )中的小變形固結分析單元( sse2 ) ,結合實體工程目進行了地基固結沉降的有限元計算,分別得出河灘相軟土地基在考慮砂井和未考慮砂井作用下的固結沉降曲線及杭甬高速公路試驗段在高堆載情況下的固結沉降曲線;並對以上曲線特徵進行了分析,得出各時間段曲線斜率、角度在整個斷的變化規律,以及沉降最大值與斜率、角度變化之間的線性回歸關系。
  17. Recently the company first produced drum - type vacuum washer with scrolled filter sheet in large sizes of 50m2, 70 m2, and 100m2, and the 35 m2 precoat vacuum filter in the country, especially the latter one, which has achieved better effect through the operation in the alkali recovery project of shandong chenming paper industry, who is the largest in scale, the best in benefits and the leading enterprise of national paper industry

    新近開發的50m2 70 m2 100m2大規格大流通閥波汶濾板鼓式真空洗漿機和35 m2預掛式真空過濾機為國內首創,特別是預掛式真空過濾機,在全國造紙業頭企業生產規模最大,效益最好的山東晨鳴紙業堿回收目上運行,收到了較好效果,受到行業的好評。
  18. Abstract : variation of flow condition caused by the multi - pur pose regulation schemes has been investigated on the basis of measured date in r iver model. flood - control of the upper river, operation of the power - station, saf ety of the bridge and power - station, navigation and evolution of the river are a nalyzed. a reasonable and feasible project alternative and the improvement measur ement are proposed

    文摘:涪江潼南河段防洪整治是一以防洪為主體的綜合性河岸整治工程,在二維數值模擬計算的基礎上再進行河工模型試驗,比較分析各防洪整治方案下潼南河段水流條件的變化,及其對上游防洪、河道、大橋、電站、航運、河勢的影響,提出合理可行的工程方案
  19. Being associated with the project " the development of numerical process planning integration platform faced the agility manufacture ", which is sponsored by sichuan province, this dissertation puts forward that the application of pdm for middle - small manufacturing enterprises should make edm be the kernel matter. the system structure and the application method are proposed based on the pdm principle

    本文結合四川省重點攻關目「向敏捷製造的數字化工藝集成臺的開發」的研究,利用pdm的思想方法,提出了中小型製造企業實施pdm應以工程圖文檔管理為核心內容,構建了中小型製造企業實施pdm的方法及其總體框架。
  20. Eigenequation about singularity, singular stress fields and electrical displacement fields near the interface edge are obtained under axisymmetric distortion. finally, a special finite element formulation which is based on the principle of minimum potential energy has been developed for determining the orders of the singularity of the singular stress fields around the singular point ( interface edge, interface corner and the interface crack ) in the bonded dissimilar anisotropic / anisotropic, piezoelectric / piezoelectric as well as piezoelectric / anisotropic materials. the numerical results show that this method is very convenient and efficient

    最後,從最小勢能原理出發,在僅僅考慮奇異性支配區域這一前提下,對于彈性接合材料的變形問題和擬應變問題,以奇異點為原點分別建立極坐標系和圓柱坐標系,通過分部積分消除廠,從而使奇異性問題的求解由原來的二維降為一維;對於三維變形問題,以奇異點為原點建立球坐標系,通過分部積分消除,從而使奇異性問題的求解由原來的三維降為二維。
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